[commit: ghc] master: Doc fix (follow up to #9957) (cb65bdb)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/cb65bdbca83f43d72dd2fc6ecd1897e734454d33/ghc

>---------------------------------------------------------------

commit cb65bdbca83f43d72dd2fc6ecd1897e734454d33
Author: Austin Seipp <austin at well-typed.com>
Date:   Mon Jan 19 08:23:51 2015 -0600

    Doc fix (follow up to #9957)
    
    Signed-off-by: Austin Seipp <austin at well-typed.com>


>---------------------------------------------------------------

cb65bdbca83f43d72dd2fc6ecd1897e734454d33
 docs/users_guide/using.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index 0504fb5..1940e7a 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -1862,7 +1862,7 @@ data Vec n s where
             and <function>Succ</function> are not written as <function>'Zero</function> and
             <function>'Succ</function>.
             </para>
-            <para>This warning is off by default.</para>
+            <para>This warning is is enabled by default in <literal>-Wall</literal> mode.</para>
         </listitem>
       </varlistentry>