Merge pull request #10966 from dms-yondy/grammer-improvement-in-docs

Fixed the grammer of a sentence in the docs

docs/layout-of-source-files.rst

@@ -49,7 +49,7 @@ Pragmas
 
 The ``pragma`` keyword is used to enable certain compiler features
 or checks. A pragma directive is always local to a source file, so
-you have to add the pragma to all your files if you want enable it
+you have to add the pragma to all your files if you want to enable it
 in your whole project. If you :ref:`import<import>` another file, the pragma
 from that file does *not* automatically apply to the importing file.