diff --git a/Documentation/doc-guide/contributing.rst b/Documentation/doc-guide/contributing.rst
index d4793826ad9a..662c7a840cd5 100644
--- a/Documentation/doc-guide/contributing.rst
+++ b/Documentation/doc-guide/contributing.rst
@@ -138,6 +138,10 @@ times, but it's highly important.  If we can actually eliminate warnings
 from the documentation build, then we can start expecting developers to
 avoid adding new ones.
 
+In addition to warnings from the regular documentation build, you can also
+run ``make refcheckdocs`` to find references to nonexistent documentation
+files.
+
 Languishing kerneldoc comments
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