Fix grammar typo in Doc/c-api/arg.rst (#130741)

ArijitKD · web-flow · commit 37145cb89fe8 · 2025-03-02T10:24:34.000+01:00
diff --git a/Doc/c-api/arg.rst b/Doc/c-api/arg.rst
@@ -5,7 +5,7 @@
 Parsing arguments and building values
 =====================================
 
-These functions are useful when creating your own extensions functions and
+These functions are useful when creating your own extension functions and
 methods.  Additional information and examples are available in
 :ref:`extending-index`.
 
