diff --git a/docs/source/building_applications/tools.md b/docs/source/building_applications/tools.md
index afffbc8ce..5a569ff84 100644
--- a/docs/source/building_applications/tools.md
+++ b/docs/source/building_applications/tools.md
@@ -127,7 +127,7 @@ MCP tools require:
 
 ## Adding Custom Tools
 
-When you want to use tools other than the built-in tools, you can implement a python function and decorate it with `@client_tool`. 
+When you want to use tools other than the built-in tools, you can implement a python function and decorate it with `@client_tool`.
 
 To define a custom tool, you need to use the `@client_tool` decorator.
 ```python