(su invocation): Use `@subsection', not invalid `@heading'.

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 0703ec2b718369683089aeb51a440951c3e74a1e..fc83a87c3fded0d533a9c68b5a853a30d9079b1d 100644 (file)
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -11430,7 +11430,7 @@ shell is restricted (see @option{-m} just above).
 @cindex wheel group, not supported
 @cindex group wheel, not supported
 @cindex fascism
-@heading Why GNU @command{su} does not support the @samp{wheel} group
+@subsection Why GNU @command{su} does not support the @samp{wheel} group
 
 (This section is by Richard Stallman.)