diff --git a/Control-module.md b/Control-module.md
index 222bf0d..4709145 100644
--- a/Control-module.md
+++ b/Control-module.md
@@ -50,7 +50,7 @@ Use the following commands to start and stop recording
     curl http://localhost:8080/control/record/start?app=myapp&name=mystream&rec=rec1
     curl http://localhost:8080/control/record/stop?app=myapp&name=mystream&rec=rec1
 
-if the record start/stop request returns nothing sometimes, you should check if you use multi workors. one workor works great. 
+if the record start/stop request returns nothing sometimes, you should check if you use multi workers. one worker works great. 
 
 # Drop
 This sub-module provides a simple way to drop client connection.