Fix the example with .. c:var:: (GH-534)

matrixise · web-flow · commit 5a26bc810ccb · 2019-09-13T17:12:24.000+01:00
diff --git a/documenting.rst b/documenting.rst
@@ -672,7 +672,7 @@ The directives are:
    Describes a global C variable.  The signature should include the type, such
    as::
 
-      .. cvar:: PyObject* PyClass_Type
+      .. c:var:: PyObject* PyClass_Type
 
 .. describe:: data
 
