diff --git a/DOCS/tech/manpage.txt b/DOCS/tech/manpage.txt
index 64915cf9d2..efb3154ebe 100644
--- a/DOCS/tech/manpage.txt
+++ b/DOCS/tech/manpage.txt
@@ -164,7 +164,8 @@ General:
       Use just '-' if it is a hyphen (A-V) or a minus (-1). Please note that
       it should be \-dvd-device and not \-dvd\-device.
     - Don't start a line with "'" or ".", nroff treats them specially.
-
+    - To quickly check a manual page for markup errors, just run
+        man DOCS/man/XX/mplayer.1 > /dev/null
 
 Option descriptions: