- sanitize a comment and warning message

diff --git a/abook_rl.c b/abook_rl.c
index 285b6622a65a952e9758805b07855460fd3de78c..704d29377e4d9092ae6c929c51032fa63df325d2 100644 (file)
--- a/abook_rl.c
+++ b/abook_rl.c
@@ -95,11 +95,11 @@ rline_prep_terminal(int dummy)
        /* nothing */
 #else
        /*
-        * #warning is an extension which all compilers don't support
+        * #warning is an extension. Not all compilers support it.
         */
 #      ifdef __GNUC__
 #              warning "You seem to have rather old readline version or \
-non-GNU version of the readline. If you have problems please use \
+non-GNU version of it. If you have problems please use \
 GNU readline 4.3 or newer. \
 GNU readline versions 4.0, 4.1 and 4.2 should be OK despite \
 of this warning."