diff --git a/src/Carbon/Lang/sh.php b/src/Carbon/Lang/sh.php
index 54309b2423..11b6a64a52 100644
--- a/src/Carbon/Lang/sh.php
+++ b/src/Carbon/Lang/sh.php
@@ -19,6 +19,7 @@
  * - Christopher Dell
  * - dmilisic
  * - danijel
+ * - Miroslav Matkovic (mikki021)
  */
 return [
     'formats' => [
@@ -41,8 +42,8 @@
     'h' => ':count čas|:count časa|:count časova',
     'minute' => ':count minut|:count minuta|:count minuta',
     'min' => ':count minut|:count minuta|:count minuta',
-    'second' => ':count sekund|:count sekunda|:count sekundi',
-    's' => ':count sekund|:count sekunda|:count sekundi',
+    'second' => ':count sekund|:count sekunde|:count sekundi',
+    's' => ':count sekund|:count sekunde|:count sekundi',
     'ago' => 'pre :time',
     'from_now' => 'za :time',
     'after' => 'nakon :time',
diff --git a/tests/Localization/ShTest.php b/tests/Localization/ShTest.php
index 78e8b6d29d..b7cb7bc8f6 100644
--- a/tests/Localization/ShTest.php
+++ b/tests/Localization/ShTest.php
@@ -17,210 +17,415 @@ class ShTest extends LocalizationTestCase
 
     const CASES = [
         // Carbon::parse('2018-01-04 00:00:00')->addDays(1)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Tomorrow at 12:00 AM'
         'Tomorrow at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->addDays(2)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Saturday at 12:00 AM'
         'Subota at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->addDays(3)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Sunday at 12:00 AM'
         'Nedelja at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->addDays(4)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Monday at 12:00 AM'
         'Ponedeljak at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->addDays(5)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Tuesday at 12:00 AM'
         'Utorak at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->addDays(6)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Wednesday at 12:00 AM'
         'Sreda at 00:00',
+
         // Carbon::parse('2018-01-05 00:00:00')->addDays(6)->calendar(Carbon::parse('2018-01-05 00:00:00'))
+        // 'Thursday at 12:00 AM'
         'Četvrtak at 00:00',
+
         // Carbon::parse('2018-01-06 00:00:00')->addDays(6)->calendar(Carbon::parse('2018-01-06 00:00:00'))
+        // 'Friday at 12:00 AM'
         'Petak at 00:00',
+
         // Carbon::parse('2018-01-07 00:00:00')->addDays(2)->calendar(Carbon::parse('2018-01-07 00:00:00'))
+        // 'Tuesday at 12:00 AM'
         'Utorak at 00:00',
+
         // Carbon::parse('2018-01-07 00:00:00')->addDays(3)->calendar(Carbon::parse('2018-01-07 00:00:00'))
+        // 'Wednesday at 12:00 AM'
         'Sreda at 00:00',
+
         // Carbon::parse('2018-01-07 00:00:00')->addDays(4)->calendar(Carbon::parse('2018-01-07 00:00:00'))
+        // 'Thursday at 12:00 AM'
         'Četvrtak at 00:00',
+
         // Carbon::parse('2018-01-07 00:00:00')->addDays(5)->calendar(Carbon::parse('2018-01-07 00:00:00'))
+        // 'Friday at 12:00 AM'
         'Petak at 00:00',
+
         // Carbon::parse('2018-01-07 00:00:00')->addDays(6)->calendar(Carbon::parse('2018-01-07 00:00:00'))
+        // 'Saturday at 12:00 AM'
         'Subota at 00:00',
+
         // Carbon::now()->subDays(2)->calendar()
+        // 'Last Sunday at 8:49 PM'
         'Last Nedelja at 20:49',
+
         // Carbon::parse('2018-01-04 00:00:00')->subHours(2)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Yesterday at 10:00 PM'
         'Yesterday at 22:00',
+
         // Carbon::parse('2018-01-04 12:00:00')->subHours(2)->calendar(Carbon::parse('2018-01-04 12:00:00'))
+        // 'Today at 10:00 AM'
         'Today at 10:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->addHours(2)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Today at 2:00 AM'
         'Today at 02:00',
+
         // Carbon::parse('2018-01-04 23:00:00')->addHours(2)->calendar(Carbon::parse('2018-01-04 23:00:00'))
+        // 'Tomorrow at 1:00 AM'
         'Tomorrow at 01:00',
+
         // Carbon::parse('2018-01-07 00:00:00')->addDays(2)->calendar(Carbon::parse('2018-01-07 00:00:00'))
+        // 'Tuesday at 12:00 AM'
         'Utorak at 00:00',
+
         // Carbon::parse('2018-01-08 00:00:00')->subDay()->calendar(Carbon::parse('2018-01-08 00:00:00'))
+        // 'Yesterday at 12:00 AM'
         'Yesterday at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->subDays(1)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Yesterday at 12:00 AM'
         'Yesterday at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->subDays(2)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Last Tuesday at 12:00 AM'
         'Last Utorak at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->subDays(3)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Last Monday at 12:00 AM'
         'Last Ponedeljak at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->subDays(4)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Last Sunday at 12:00 AM'
         'Last Nedelja at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->subDays(5)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Last Saturday at 12:00 AM'
         'Last Subota at 00:00',
+
         // Carbon::parse('2018-01-04 00:00:00')->subDays(6)->calendar(Carbon::parse('2018-01-04 00:00:00'))
+        // 'Last Friday at 12:00 AM'
         'Last Petak at 00:00',
+
         // Carbon::parse('2018-01-03 00:00:00')->subDays(6)->calendar(Carbon::parse('2018-01-03 00:00:00'))
+        // 'Last Thursday at 12:00 AM'
         'Last Četvrtak at 00:00',
+
         // Carbon::parse('2018-01-02 00:00:00')->subDays(6)->calendar(Carbon::parse('2018-01-02 00:00:00'))
+        // 'Last Wednesday at 12:00 AM'
         'Last Sreda at 00:00',
+
         // Carbon::parse('2018-01-07 00:00:00')->subDays(2)->calendar(Carbon::parse('2018-01-07 00:00:00'))
+        // 'Last Friday at 12:00 AM'
         'Last Petak at 00:00',
+
         // Carbon::parse('2018-01-01 00:00:00')->isoFormat('Qo Mo Do Wo wo')
+        // '1st 1st 1st 1st 1st'
         '1 1 1 1 1',
+
         // Carbon::parse('2018-01-02 00:00:00')->isoFormat('Do wo')
+        // '2nd 1st'
         '2 1',
+
         // Carbon::parse('2018-01-03 00:00:00')->isoFormat('Do wo')
+        // '3rd 1st'
         '3 1',
+
         // Carbon::parse('2018-01-04 00:00:00')->isoFormat('Do wo')
+        // '4th 1st'
         '4 1',
+
         // Carbon::parse('2018-01-05 00:00:00')->isoFormat('Do wo')
+        // '5th 1st'
         '5 1',
+
         // Carbon::parse('2018-01-06 00:00:00')->isoFormat('Do wo')
+        // '6th 1st'
         '6 1',
+
         // Carbon::parse('2018-01-07 00:00:00')->isoFormat('Do wo')
+        // '7th 2nd'
         '7 2',
+
         // Carbon::parse('2018-01-11 00:00:00')->isoFormat('Do wo')
+        // '11th 2nd'
         '11 2',
+
         // Carbon::parse('2018-02-09 00:00:00')->isoFormat('DDDo')
+        // '40th'
         '40',
+
         // Carbon::parse('2018-02-10 00:00:00')->isoFormat('DDDo')
+        // '41st'
         '41',
+
         // Carbon::parse('2018-04-10 00:00:00')->isoFormat('DDDo')
+        // '100th'
         '100',
+
         // Carbon::parse('2018-02-10 00:00:00', 'Europe/Paris')->isoFormat('h:mm a z')
+        // '12:00 am cet'
         '12:00 pre podne cet',
+
         // Carbon::parse('2018-02-10 00:00:00')->isoFormat('h:mm A, h:mm a')
+        // '12:00 AM, 12:00 am'
         '12:00 pre podne, 12:00 pre podne',
+
         // Carbon::parse('2018-02-10 01:30:00')->isoFormat('h:mm A, h:mm a')
+        // '1:30 AM, 1:30 am'
         '1:30 pre podne, 1:30 pre podne',
+
         // Carbon::parse('2018-02-10 02:00:00')->isoFormat('h:mm A, h:mm a')
+        // '2:00 AM, 2:00 am'
         '2:00 pre podne, 2:00 pre podne',
+
         // Carbon::parse('2018-02-10 06:00:00')->isoFormat('h:mm A, h:mm a')
+        // '6:00 AM, 6:00 am'
         '6:00 pre podne, 6:00 pre podne',
+
         // Carbon::parse('2018-02-10 10:00:00')->isoFormat('h:mm A, h:mm a')
+        // '10:00 AM, 10:00 am'
         '10:00 pre podne, 10:00 pre podne',
+
         // Carbon::parse('2018-02-10 12:00:00')->isoFormat('h:mm A, h:mm a')
+        // '12:00 PM, 12:00 pm'
         '12:00 po podne, 12:00 po podne',
+
         // Carbon::parse('2018-02-10 17:00:00')->isoFormat('h:mm A, h:mm a')
+        // '5:00 PM, 5:00 pm'
         '5:00 po podne, 5:00 po podne',
+
         // Carbon::parse('2018-02-10 21:30:00')->isoFormat('h:mm A, h:mm a')
+        // '9:30 PM, 9:30 pm'
         '9:30 po podne, 9:30 po podne',
+
         // Carbon::parse('2018-02-10 23:00:00')->isoFormat('h:mm A, h:mm a')
+        // '11:00 PM, 11:00 pm'
         '11:00 po podne, 11:00 po podne',
+
         // Carbon::parse('2018-01-01 00:00:00')->ordinal('hour')
+        // '0th'
         '0',
+
         // Carbon::now()->subSeconds(1)->diffForHumans()
+        // '1 second ago'
         'pre 1 sekund',
+
         // Carbon::now()->subSeconds(1)->diffForHumans(null, false, true)
+        // '1s ago'
         'pre 1 sekund',
+
         // Carbon::now()->subSeconds(2)->diffForHumans()
-        'pre 2 sekunda',
+        // '2 seconds ago'
+        'pre 2 sekunde',
+
         // Carbon::now()->subSeconds(2)->diffForHumans(null, false, true)
-        'pre 2 sekunda',
+        // '2s ago'
+        'pre 2 sekunde',
+
         // Carbon::now()->subMinutes(1)->diffForHumans()
+        // '1 minute ago'
         'pre 1 minut',
+
         // Carbon::now()->subMinutes(1)->diffForHumans(null, false, true)
+        // '1m ago'
         'pre 1 minut',
+
         // Carbon::now()->subMinutes(2)->diffForHumans()
+        // '2 minutes ago'
         'pre 2 minuta',
+
         // Carbon::now()->subMinutes(2)->diffForHumans(null, false, true)
+        // '2m ago'
         'pre 2 minuta',
+
         // Carbon::now()->subHours(1)->diffForHumans()
+        // '1 hour ago'
         'pre 1 čas',
+
         // Carbon::now()->subHours(1)->diffForHumans(null, false, true)
+        // '1h ago'
         'pre 1 čas',
+
         // Carbon::now()->subHours(2)->diffForHumans()
+        // '2 hours ago'
         'pre 2 časa',
+
         // Carbon::now()->subHours(2)->diffForHumans(null, false, true)
+        // '2h ago'
         'pre 2 časa',
+
         // Carbon::now()->subDays(1)->diffForHumans()
+        // '1 day ago'
         'pre 1 dan',
+
         // Carbon::now()->subDays(1)->diffForHumans(null, false, true)
+        // '1d ago'
         'pre 1 dan',
+
         // Carbon::now()->subDays(2)->diffForHumans()
+        // '2 days ago'
         'pre 2 dana',
+
         // Carbon::now()->subDays(2)->diffForHumans(null, false, true)
+        // '2d ago'
         'pre 2 dana',
+
         // Carbon::now()->subWeeks(1)->diffForHumans()
+        // '1 week ago'
         'pre 1 nedelja',
+
         // Carbon::now()->subWeeks(1)->diffForHumans(null, false, true)
+        // '1w ago'
         'pre 1 nedelja',
+
         // Carbon::now()->subWeeks(2)->diffForHumans()
+        // '2 weeks ago'
         'pre 2 nedelje',
+
         // Carbon::now()->subWeeks(2)->diffForHumans(null, false, true)
+        // '2w ago'
         'pre 2 nedelje',
+
         // Carbon::now()->subMonths(1)->diffForHumans()
+        // '1 month ago'
         'pre 1 mesec',
+
         // Carbon::now()->subMonths(1)->diffForHumans(null, false, true)
+        // '1mo ago'
         'pre 1 mesec',
+
         // Carbon::now()->subMonths(2)->diffForHumans()
+        // '2 months ago'
         'pre 2 meseca',
+
         // Carbon::now()->subMonths(2)->diffForHumans(null, false, true)
+        // '2mos ago'
         'pre 2 meseca',
+
         // Carbon::now()->subYears(1)->diffForHumans()
+        // '1 year ago'
         'pre 1 godina',
+
         // Carbon::now()->subYears(1)->diffForHumans(null, false, true)
+        // '1yr ago'
         'pre 1 godina',
+
         // Carbon::now()->subYears(2)->diffForHumans()
+        // '2 years ago'
         'pre 2 godine',
+
         // Carbon::now()->subYears(2)->diffForHumans(null, false, true)
+        // '2yrs ago'
         'pre 2 godine',
+
         // Carbon::now()->addSecond()->diffForHumans()
+        // '1 second from now'
         'za 1 sekund',
+
         // Carbon::now()->addSecond()->diffForHumans(null, false, true)
+        // '1s from now'
         'za 1 sekund',
+
         // Carbon::now()->addSecond()->diffForHumans(Carbon::now())
+        // '1 second after'
         'nakon 1 sekund',
+
         // Carbon::now()->addSecond()->diffForHumans(Carbon::now(), false, true)
+        // '1s after'
         'nakon 1 sekund',
+
         // Carbon::now()->diffForHumans(Carbon::now()->addSecond())
+        // '1 second before'
         '1 sekund raniјe',
+
         // Carbon::now()->diffForHumans(Carbon::now()->addSecond(), false, true)
+        // '1s before'
         '1 sekund raniјe',
+
         // Carbon::now()->addSecond()->diffForHumans(Carbon::now(), true)
+        // '1 second'
         '1 sekund',
+
         // Carbon::now()->addSecond()->diffForHumans(Carbon::now(), true, true)
+        // '1s'
         '1 sekund',
+
         // Carbon::now()->diffForHumans(Carbon::now()->addSecond()->addSecond(), true)
-        '2 sekunda',
+        // '2 seconds'
+        '2 sekunde',
+
         // Carbon::now()->diffForHumans(Carbon::now()->addSecond()->addSecond(), true, true)
-        '2 sekunda',
+        // '2s'
+        '2 sekunde',
+
         // Carbon::now()->addSecond()->diffForHumans(null, false, true, 1)
+        // '1s from now'
         'za 1 sekund',
+
         // Carbon::now()->addMinute()->addSecond()->diffForHumans(null, true, false, 2)
+        // '1 minute 1 second'
         '1 minut 1 sekund',
+
         // Carbon::now()->addYears(2)->addMonths(3)->addDay()->addSecond()->diffForHumans(null, true, true, 4)
+        // '2yrs 3mos 1d 1s'
         '2 godine 3 meseca 1 dan 1 sekund',
+
         // Carbon::now()->addYears(3)->diffForHumans(null, null, false, 4)
+        // '3 years from now'
         'za 3 godine',
+
         // Carbon::now()->subMonths(5)->diffForHumans(null, null, true, 4)
+        // '5mos ago'
         'pre 5 meseci',
+
         // Carbon::now()->subYears(2)->subMonths(3)->subDay()->subSecond()->diffForHumans(null, null, true, 4)
+        // '2yrs 3mos 1d 1s ago'
         'pre 2 godine 3 meseca 1 dan 1 sekund',
+
         // Carbon::now()->addWeek()->addHours(10)->diffForHumans(null, true, false, 2)
+        // '1 week 10 hours'
         '1 nedelja 10 časova',
+
         // Carbon::now()->addWeek()->addDays(6)->diffForHumans(null, true, false, 2)
+        // '1 week 6 days'
         '1 nedelja 6 dana',
+
         // Carbon::now()->addWeek()->addDays(6)->diffForHumans(null, true, false, 2)
+        // '1 week 6 days'
         '1 nedelja 6 dana',
+
         // Carbon::now()->addWeek()->addDays(6)->diffForHumans(["join" => true, "parts" => 2])
+        // '1 week and 6 days from now'
         'za 1 nedelja i 6 dana',
+
         // Carbon::now()->addWeeks(2)->addHour()->diffForHumans(null, true, false, 2)
+        // '2 weeks 1 hour'
         '2 nedelje 1 čas',
+
         // Carbon::now()->addHour()->diffForHumans(["aUnit" => true])
+        // 'an hour from now'
         'za 1 čas',
+
         // CarbonInterval::days(2)->forHumans()
+        // '2 days'
         '2 dana',
+
         // CarbonInterval::create('P1DT3H')->forHumans(true)
+        // '1d 3h'
         '1 dan 3 časa',
     ];
 }