diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 93b90b99a17..15217e3a05a 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -849,9 +849,9 @@ frame's parameter list, like this:
 
 This is caused by fonts having a wrong UNDERLINE_POSITION property.
 Examples are the font 7x13 on XFree prior to version 4.1, or the jmk
-neep font from the Debian xfonts-jmk package.  To circumvent this
-problem, set x-use-underline-position-properties to nil in your
-`.emacs'.
+neep font from the Debian xfonts-jmk package prior to version 3.0.17.
+To circumvent this problem, set x-use-underline-position-properties
+to nil in your `.emacs'.
 
 To see what is the value of UNDERLINE_POSITION defined by the font,
 type `xlsfonts -lll FONT' and look at the font's UNDERLINE_POSITION