Merge pull request #8866 from Calinou/system-requirements-disallow-comments

Disallow page comments on System requirements

(cherry picked from commit b7939455bb49cf509ea93847b5ec0b8a2972915a)

about/system_requirements.rst

@@ -1,3 +1,5 @@
+:allow_comments: False
+
 .. _doc_system_requirements:
 
 System requirements