diff --git a/clientv3/config.go b/clientv3/config.go
index 87d61cf57..c9e07866d 100644
--- a/clientv3/config.go
+++ b/clientv3/config.go
@@ -33,11 +33,11 @@ type Config struct {
 	// DialTimeout is the timeout for failing to establish a connection.
 	DialTimeout time.Duration `json:"dial-timeout"`
 
-	// DialKeepAliveTime is the time in seconds after which client pings the server to see if
+	// DialKeepAliveTime is the time after which client pings the server to see if
 	// transport is alive.
 	DialKeepAliveTime time.Duration `json:"dial-keep-alive-time"`
 
-	// DialKeepAliveTimeout is the time in seconds that the client waits for a response for the
+	// DialKeepAliveTimeout is the time that the client waits for a response for the
 	// keep-alive probe.  If the response is not received in this time, the connection is closed.
 	DialKeepAliveTimeout time.Duration `json:"dial-keep-alive-timeout"`