diff --git a/common/extension/auth.go b/common/extension/auth.go
index 1b32de865022b3299ba239c74cd917dd0e9ea3ff..4fca0a8e8c255456720df9e4fd9852295715b160 100644
--- a/common/extension/auth.go
+++ b/common/extension/auth.go
@@ -32,7 +32,7 @@ func SetAuthenticator(name string, fcn func() filter.Authenticator) {
 }
 
 // GetAuthenticator finds the Authenticator with @name
-// panic if not found
+// Panic if not found
 func GetAuthenticator(name string) filter.Authenticator {
 	if authenticators[name] == nil {
 		panic("authenticator for " + name + " is not existing, make sure you have import the package.")
diff --git a/filter/filter_impl/graceful_shutdown_filter.go b/filter/filter_impl/graceful_shutdown_filter.go
index 7db985308bbd0e5bfb06a127e492722a3b3b4394..4a4e8ce466edabe82815b99244404ac024d73b26 100644
--- a/filter/filter_impl/graceful_shutdown_filter.go
+++ b/filter/filter_impl/graceful_shutdown_filter.go
@@ -53,7 +53,7 @@ type gracefulShutdownFilter struct {
 	shutdownConfig *config.ShutdownConfig
 }
 
-// Invoke add the requests count and block the new requests if application is closing
+// Invoke adds the requests count and block the new requests if application is closing
 func (gf *gracefulShutdownFilter) Invoke(ctx context.Context, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result {
 	if gf.rejectNewRequest() {
 		logger.Info("The application is closing, new request will be rejected.")
@@ -63,7 +63,7 @@ func (gf *gracefulShutdownFilter) Invoke(ctx context.Context, invoker protocol.I
 	return invoker.Invoke(ctx, invocation)
 }
 
-// OnResponse reduce the number of active processes then return the process result
+// OnResponse reduces the number of active processes then return the process result
 func (gf *gracefulShutdownFilter) OnResponse(ctx context.Context, result protocol.Result, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result {
 	atomic.AddInt32(&gf.activeCount, -1)
 	// although this isn't thread safe, it won't be a problem if the gf.rejectNewRequest() is true.