Update head byte limit msg

Author: yoshuawuyts

src/client.rs

@@ -149,7 +149,7 @@ where
         // Prevent CWE-400 DDOS with large HTTP Headers.
         ensure!(
             buf.len() < MAX_HEAD_LENGTH,
-            "Head byte length limit exceeded"
+            "Head byte length should be less than 8kb"
         );
 
         // We've hit the end delimiter of the stream.

src/server.rs

@@ -356,7 +356,7 @@ where
         // Prevent CWE-400 DDOS with large HTTP Headers.
         ensure!(
             buf.len() < MAX_HEAD_LENGTH,
-            "Head byte length limit exceeded"
+            "Head byte length should be less than 8kb"
         );
 
         // We've hit the end delimiter of the stream.