diff --git a/tutorials/scripting/gdextension/gdextension_cpp_example.rst b/tutorials/scripting/gdextension/gdextension_cpp_example.rst
index 11dd58f323b..c96f2188bdb 100644
--- a/tutorials/scripting/gdextension/gdextension_cpp_example.rst
+++ b/tutorials/scripting/gdextension/gdextension_cpp_example.rst
@@ -359,7 +359,7 @@ loaded for each platform and the entry function for the module. It is called ``g
     [configuration]
 
     entry_symbol = "example_library_init"
-    compatibility_minimum = 4.1
+    compatibility_minimum = "4.1"
 
     [libraries]