diff --git a/tutorials/scripting/gdextension/gdextension_c_example.rst b/tutorials/scripting/gdextension/gdextension_c_example.rst
index 1f1ef7f17..7975712ad 100644
--- a/tutorials/scripting/gdextension/gdextension_c_example.rst
+++ b/tutorials/scripting/gdextension/gdextension_c_example.rst
@@ -760,7 +760,7 @@ the destructor.
 
     ...
 
-In the ``gdexample.cpp`` file, we will initialize these values in the constructor
+In the ``gdexample.c`` file, we will initialize these values in the constructor
 and add the implementations for those new functions, which are quite trivial:
 
 .. code-block:: c