diff --git a/d41-Wide-Area-Networking.md b/d41-Wide-Area-Networking.md
index f3b70c1..5333c8b 100644
--- a/d41-Wide-Area-Networking.md
+++ b/d41-Wide-Area-Networking.md
@@ -1,4 +1,4 @@
-# 第41天 - 广域组网
+# 第41天 广域组网
 
 **Wide Area Networking**
 
diff --git a/d42-Frame-Relay-and-PPP.md b/d42-Frame-Relay-and-PPP.md
index 89c40eb..6d01e39 100644
--- a/d42-Frame-Relay-and-PPP.md
+++ b/d42-Frame-Relay-and-PPP.md
@@ -1,4 +1,4 @@
-# 帧中继与点对点协议
+# 第42天 帧中继与点对点协议
 
 __Frame Relay and PPP__