diff --git a/2-IOC-deployment.md b/2-IOC-deployment.md
index bbfea1e42f5a2c126718847d32c45b611a33fd96..d2b298d4b113f0c47dd3229033f4d738be8e1592 100644
--- a/2-IOC-deployment.md
+++ b/2-IOC-deployment.md
@@ -312,7 +312,7 @@ $ make distclean
 $ make
 ```
 
-#### 2.10.4 Run the IOC
+#### 2.11.4 Run the IOC
 
 Start the IOC and confirm the error is resolved.
 
@@ -320,7 +320,7 @@ Start the IOC and confirm the error is resolved.
 $ ./softioc/xxx.sh run
 ```
 
-### 2.11 Stop the IOC
+### 2.12 Stop the IOC
 
 Exit the IOC from the IOC shell:
 ```