diff --git a/getting_started/scripting/gdscript/gdscript_basics.rst b/getting_started/scripting/gdscript/gdscript_basics.rst
index d0cc80f67..fee8bdb34 100644
--- a/getting_started/scripting/gdscript/gdscript_basics.rst
+++ b/getting_started/scripting/gdscript/gdscript_basics.rst
@@ -1507,7 +1507,7 @@ Remember to save the new function state, when using multiple ``yield``\s::
 
     func _ready():
         var co = co_func();
-        while co is GDScriptFunction && co.is_valid():
+        while co is GDScriptFunctionState && co.is_valid():
             co = co.resume();