diff --git a/doc/user_guide/instructions_to_run_generated_code.md b/doc/user_guide/instructions_to_run_generated_code.md
index 76ab1d0f..ad6cf915 100644
--- a/doc/user_guide/instructions_to_run_generated_code.md
+++ b/doc/user_guide/instructions_to_run_generated_code.md
@@ -1085,7 +1085,7 @@ swift --version
 ```
 
 
-#### Linux
+#### Linux(Multipartformdata is not supported)
 
 Download Swift for Linux (e.g., Ubuntu) from Swift.org.
 
@@ -1140,7 +1140,7 @@ swift --version
 ```
 
 
-#### Linux
+#### Linux (Multipartformdata is not supported)
 
 Download Swift for Linux (e.g., Ubuntu) from Swift.org.