diff --git a/doc/Changelog b/doc/Changelog
index 12bc92831..0aecf4de5 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,7 +1,7 @@
 18 August 2010: Wouter
 	- Fix bug#322: configure does not respect CFLAGS on Solaris.
 	  Pass CFLAGS="-xO4 -xtarget=generic" on the configure command line
-	  if you want them, some systems need different flags.
+	  if use sun-cc, but some systems need different flags.
 
 16 August 2010: Wouter
 	- Fix acx_nlnetlabs.m4 configure output for autoconf-2.66 AS_TR_CPP
diff --git a/doc/README b/doc/README
index 061de04cd..b1dba6427 100644
--- a/doc/README
+++ b/doc/README
@@ -96,7 +96,7 @@ o The warning 'openssl has no entropy, seeding with time', with chroot
 o On Solaris 5.10 some libtool packages from repositories do not work with
   gcc, showing errors gcc: unrecognized option `-KPIC'
   To solve this do ./configure libtool=./libtool [your options...].
-  On Solaris you may also want to pass CFLAGS="-xO4 -xtarget=generic"
+  On Solaris you may pass CFLAGS="-xO4 -xtarget=generic" if you use sun-cc.
 o If unbound-control (or munin graphs) do not work, this can often be because
   the unbound-control-setup script creates the keys with restricted 
   permissions, and the files need to be made readable or ownered by both the