Remove version numbers for packages with only one version.

While there, one grammar fix.

README

@@ -79,11 +79,11 @@ GNU autotools packages installed:
 
     - automake 1.12 (devel/automake/1.12)
     - autoconf 2.69 (devel/autoconf/2.69)
-    - metaauto 0.9 (or later) (devel/metaauto)
-    - libtool 2.4.2 (or later) (devel/libtool)
+    - metaauto (devel/metaauto)
+    - libtool (devel/libtool)
     - gettext-tools (devel/gettext)
 
-If you have your source tree on an NFS partition, make sure the clock
+If you have your source tree on an NFS partition, make sure the clocks
 of your server and client are properly synchronised. Any significant
 drift will cause various problems during builds.
 
@@ -212,4 +212,4 @@ The core dump will be in /var/crash.
 See also <http://xorg.freedesktop.org/wiki/Development/Documentation/ServerDebugging>
 
 --
-$OpenBSD: README,v 1.46 2023/04/10 17:45:01 matthieu Exp $
+$OpenBSD: README,v 1.47 2023/05/07 06:42:06 matthieu Exp $