1 files changed, 4 insertions, 4 deletions
diff --git a/readme.md b/readme.md
index f21dd40..793ec9f 100644
--- a/readme.md
+++ b/readme.md
@@ -57,7 +57,7 @@ worker_base_loop(dev)
 
 Plugin Management APIs
 
-```
+```cpp
 /*
  * The pm_session_dettach_me just sets the flag to disable this plugin and no longer call this event callback.
  * Before calling pm_session_dettach_me, the current plugin must release related resources for the current session.
@@ -85,7 +85,7 @@ pm_session_take_over(session);
 
 Session Management APIs
 
-```
+```cpp
 session_drop_current_packet(session);
 session_set_ratelimit_group(session, rl_group_id);
 session_set_metadata(session, const char *key, void *value, size_t val_sz, free_callback);
@@ -98,8 +98,8 @@ session_unlock(session, plug_id);
 
 Plugin Example
 
-```
-plugin_entry(session, ctx)
+```cpp
+plugin_entry(session, pme)
 {
   session_get_metadata(session, "fw_action", value);
   if(value==INTERCEPT)