diff --git a/CHANGELOG.md b/CHANGELOG.md
index f581141..bfad679 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## [0.0.2]
+
+- Show duration estimate for weeks, months and years
+
+
 ## [0.0.1]
 
 - First release
\ No newline at end of file
diff --git a/main.go b/main.go
index b0411e1..77d1a76 100644
--- a/main.go
+++ b/main.go
@@ -26,7 +26,7 @@ func main() {
 
 	// set the default help
 	flag.Usage = func() {
-		fmt.Printf("Wireguard Vanity Key Generator (%s)\n\n", appVersion)
+		fmt.Printf("WireGuard Vanity Key Generator (%s)\n\n", appVersion)
 		// fmt.Printf("Version: %s\n\n", appVersion)
 		fmt.Printf("Usage: %s [OPTIONS] <SEARCH> [<SEARCH>...]\n\n", os.Args[0])
 		fmt.Println("Options:")
diff --git a/utils.go b/utils.go
index a5fa4d8..cd8f616 100644
--- a/utils.go
+++ b/utils.go
@@ -16,6 +16,22 @@ func isValidSearch(s string) bool {
 
 // Returns a human-readable output of time.Duration
 func humanizeDuration(duration time.Duration) string {
+	// more than duration can handle
+	if duration.Hours() < 0.0 {
+		return fmt.Sprintf("hundreds of years")
+	}
+	if duration.Hours() > 8760.0 {
+		y := int64(duration.Hours() / 8760)
+		return fmt.Sprintf("%d %s", y, plural("year", y))
+	}
+	if duration.Hours() > 720.0 {
+		m := int64(duration.Hours() / 24 / 30)
+		return fmt.Sprintf("%d %s", m, plural("month", m))
+	}
+	if duration.Hours() > 168.0 {
+		w := int64(duration.Hours() / 168)
+		return fmt.Sprintf("%d %s", w, plural("week", w))
+	}
 	if duration.Seconds() < 60.0 {
 		s := int64(duration.Seconds())
 		return fmt.Sprintf("%d %s", s, plural("second", s))
@@ -30,6 +46,7 @@ func humanizeDuration(duration time.Duration) string {
 		return fmt.Sprintf("%d %s, %d %s",
 			h, plural("hour", h), m, plural("minute", m))
 	}
+	// if duration.Hours() <
 	h := int64(math.Mod(duration.Hours(), 24))
 	d := int64(duration.Hours() / 24)
 	return fmt.Sprintf("%d %s, %d %s",