minor changes

plugins/README.plugins

@@ -17,9 +17,12 @@ install plugins.
   3.  Note the directory that the plugin was created into.  For this
       example, we will assume it was put in the directory: myplugin/.
   
-  4.  Read the README or other documentation in your new plugin.  Follow
-      any important configuration instructions inside (usually there are
-      none).
+  4.  Read the README, INSTALL or other documentation in your new plugin.  
+      Follow any important configuration instructions inside (about half
+      the time there are none, sometimes they are extensive).
+
+        $ cd myplugin/
+        $ more README
 
   5.  Go to the config directory and run conf.pl