diff --git a/pkg/karmadactl/cmdinit/cmdinit.go b/pkg/karmadactl/cmdinit/cmdinit.go
index 9b9e86cc6..d46e81761 100644
--- a/pkg/karmadactl/cmdinit/cmdinit.go
+++ b/pkg/karmadactl/cmdinit/cmdinit.go
@@ -12,7 +12,7 @@ import (
 )
 
 const (
-	initShort = `Install karmada in kubernetes.`
+	initShort = `Install karmada in kubernetes`
 	initLong  = `Install karmada in kubernetes.`
 )
 
diff --git a/pkg/karmadactl/promote.go b/pkg/karmadactl/promote.go
index a9b5ebea4..ab03e9ae0 100644
--- a/pkg/karmadactl/promote.go
+++ b/pkg/karmadactl/promote.go
@@ -31,7 +31,7 @@ import (
 )
 
 var (
-	promoteShort = `Promote resources from legacy clusters to karmada control plane.`
+	promoteShort = `Promote resources from legacy clusters to karmada control plane`
 	promoteLong  = `Promote resources from legacy clusters to karmada control plane. Requires the cluster be joined or registered.`
 )
 
diff --git a/pkg/karmadactl/taint.go b/pkg/karmadactl/taint.go
index 7948a3dd0..1d59107da 100644
--- a/pkg/karmadactl/taint.go
+++ b/pkg/karmadactl/taint.go
@@ -33,7 +33,7 @@ const (
 )
 
 var (
-	taintShort = `Update the taints on one or more clusters.`
+	taintShort = `Update the taints on one or more clusters`
 	taintLong  = `Update the taints on one or more clusters.`
 )
 
diff --git a/pkg/version/sharedcommand/sharedcommand.go b/pkg/version/sharedcommand/sharedcommand.go
index 57df6a646..7b58c4bcc 100644
--- a/pkg/version/sharedcommand/sharedcommand.go
+++ b/pkg/version/sharedcommand/sharedcommand.go
@@ -10,7 +10,7 @@ import (
 )
 
 var (
-	versionShort   = `Print the version information.`
+	versionShort   = `Print the version information`
 	versionLong    = `Print the version information.`
 	versionExample = `  # Print %s command version
   %s version`