diff --git a/docs/en/1515/6060-push.md b/docs/en/1515/6060-push.md
index b17f93eb..91b379e0 100644
--- a/docs/en/1515/6060-push.md
+++ b/docs/en/1515/6060-push.md
@@ -75,7 +75,7 @@ ID???P\r\n
 //Find Zero
 ID???Z\r\n
 
-//Set Feed Speed
+//Set Feed Speed (mm/sec)
 ID???:F?????\r\n
 
 //Read Busy?
diff --git a/docs/zh_CN/1515/6060-push.md b/docs/zh_CN/1515/6060-push.md
index c2c5c3f2..46c3bab6 100644
--- a/docs/zh_CN/1515/6060-push.md
+++ b/docs/zh_CN/1515/6060-push.md
@@ -76,7 +76,7 @@ ID???P\r\n
 //回到原点
 ID???Z\r\n
 
-//配置移动速度
+//配置进给速度 (mm/sec)
 ID???:F?????\r\n
 
 //读取Busy状态