diff --git a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/preview/2015-05-21-preview/DTL.json b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/preview/2015-05-21-preview/DTL.json
index 9fb6f1e1d6c7..f1ff910b0a4f 100644
--- a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/preview/2015-05-21-preview/DTL.json
+++ b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/preview/2015-05-21-preview/DTL.json
@@ -3554,7 +3554,7 @@
             }
         },
         "GenerateUploadUriResponse": {
-            "description": "Reponse body for generating an upload URI.",
+            "description": "Response body for generating an upload URI.",
             "type": "object",
             "properties": {
                 "uploadUri": {
diff --git a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2016-05-15/DTL.json b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2016-05-15/DTL.json
index 8da36e97e6e9..6d6dde42210f 100644
--- a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2016-05-15/DTL.json
+++ b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2016-05-15/DTL.json
@@ -1256,7 +1256,7 @@
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DevTestLab/labs/{labName}/notificationchannels": {
       "get": {
         "tags": [ "NotificationChannels" ],
-        "description": "List notificationchannels in a given lab.",
+        "description": "List notification channels in a given lab.",
         "operationId": "NotificationChannels_List",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -1317,7 +1317,7 @@
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DevTestLab/labs/{labName}/notificationchannels/{name}": {
       "get": {
         "tags": [ "NotificationChannels" ],
-        "description": "Get notificationchannel.",
+        "description": "Get notification channels.",
         "operationId": "NotificationChannels_Get",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -1405,7 +1405,7 @@
       },
       "delete": {
         "tags": [ "NotificationChannels" ],
-        "description": "Delete notificationchannel.",
+        "description": "Delete notification channel.",
         "operationId": "NotificationChannels_Delete",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -1438,7 +1438,7 @@
       },
       "patch": {
         "tags": [ "NotificationChannels" ],
-        "description": "Modify properties of notificationchannels.",
+        "description": "Modify properties of notification channels.",
         "operationId": "NotificationChannels_Update",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -5361,7 +5361,7 @@
       "properties": {
         "diskSizeGiB": {
           "format": "int32",
-          "description": "Size of the disk to be attached in GibiBytes.",
+          "description": "Size of the disk to be attached in Gibibytes.",
           "type": "integer"
         },
         "diskName": {
@@ -5789,7 +5789,7 @@
         },
         "diskSizeGiB": {
           "format": "int32",
-          "description": "The size of the disk in GibiBytes.",
+          "description": "The size of the disk in Gibibytes.",
           "type": "integer"
         },
         "leasedByLabVmId": {
@@ -6200,7 +6200,7 @@
       }
     },
     "GenerateUploadUriResponse": {
-      "description": "Reponse body for generating an upload URI.",
+      "description": "Response body for generating an upload URI.",
       "type": "object",
       "properties": {
         "uploadUri": {
diff --git a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/DTL.json b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/DTL.json
index 29bef183f87f..8ad68102abd9 100644
--- a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/DTL.json
+++ b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/DTL.json
@@ -1316,7 +1316,7 @@
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DevTestLab/labs/{labName}/notificationchannels": {
       "get": {
         "tags": [ "NotificationChannels" ],
-        "description": "List notificationchannels in a given lab.",
+        "description": "List notification channels in a given lab.",
         "operationId": "NotificationChannels_List",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -1376,7 +1376,7 @@
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DevTestLab/labs/{labName}/notificationchannels/{name}": {
       "get": {
         "tags": [ "NotificationChannels" ],
-        "description": "Get notificationchannel.",
+        "description": "Get notification channel.",
         "operationId": "NotificationChannels_Get",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -1462,7 +1462,7 @@
       },
       "delete": {
         "tags": [ "NotificationChannels" ],
-        "description": "Delete notificationchannel.",
+        "description": "Delete notification channel.",
         "operationId": "NotificationChannels_Delete",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -1494,7 +1494,7 @@
       },
       "patch": {
         "tags": [ "NotificationChannels" ],
-        "description": "Modify properties of notificationchannels.",
+        "description": "Modify properties of notification channels.",
         "operationId": "NotificationChannels_Update",
         "parameters": [
           { "$ref": "#/parameters/subscriptionId" },
@@ -6562,7 +6562,7 @@
       "properties": {
         "diskSizeGiB": {
           "format": "int32",
-          "description": "Size of the disk to be attached in GibiBytes.",
+          "description": "Size of the disk to be attached in Gibibytes.",
           "type": "integer"
         },
         "diskName": {
@@ -6586,7 +6586,7 @@
       "properties": {
         "diskSizeGiB": {
           "format": "int32",
-          "description": "Size of the disk to be attached in GibiBytes.",
+          "description": "Size of the disk to be attached in Gibibytes.",
           "type": "integer"
         },
         "diskName": {
@@ -7293,7 +7293,7 @@
         },
         "diskSizeGiB": {
           "format": "int32",
-          "description": "The size of the disk in GibiBytes.",
+          "description": "The size of the disk in Gibibytes.",
           "type": "integer"
         },
         "leasedByLabVmId": {
@@ -7349,7 +7349,7 @@
         },
         "diskSizeGiB": {
           "format": "int32",
-          "description": "The size of the disk in GibiBytes.",
+          "description": "The size of the disk in Gibibytes.",
           "type": "integer"
         },
         "leasedByLabVmId": {
diff --git a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ProviderOperations_List.json b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ProviderOperations_List.json
index 6dd7298e67a5..762f1f69fc44 100644
--- a/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ProviderOperations_List.json
+++ b/specification/devtestlabs/resource-manager/Microsoft.DevTestLab/stable/2018-09-15/examples/ProviderOperations_List.json
@@ -668,8 +668,8 @@
                 "display": {
                   "provider": "Microsoft DevTest Labs",
                   "resource": "notificationChannels",
-                  "operation": "Delete notificationchannels.",
-                  "description": "Delete notificationchannels."
+                  "operation": "Delete notification channels.",
+                  "description": "Delete notification channels."
                 }
               },
               {
@@ -677,8 +677,8 @@
                 "display": {
                   "provider": "Microsoft DevTest Labs",
                   "resource": "notificationChannels",
-                  "operation": "Read notificationchannels.",
-                  "description": "Read notificationchannels."
+                  "operation": "Read notification channels.",
+                  "description": "Read notification channels."
                 }
               },
               {
@@ -686,8 +686,8 @@
                 "display": {
                   "provider": "Microsoft DevTest Labs",
                   "resource": "notificationChannels",
-                  "operation": "Add or modify notificationchannels.",
-                  "description": "Add or modify notificationchannels."
+                  "operation": "Add or modify notification channels.",
+                  "description": "Add or modify notification channels."
                 }
               },
               {