Update mg_enable_multithreading.md

docs/c-api/net.h/mg_enable_multithreading.md

@@ -6,9 +6,9 @@ signature: |
   void mg_enable_multithreading(struct mg_connection *nc);
 ---
 
-Enable multi-threaded handling for the given listening connection `nc`.
+Enables multi-threaded handling for the given listening connection `nc`.
 For each accepted connection, Mongoose will create a separate thread
-and run event handler in that thread. Thus, if an event hanler is doing
-a blocking call or some long computation, that will not slow down
+and run an event handler in that thread. Thus, if an event handler is doing
+a blocking call or some long computation, it will not slow down
 other connections.