Clarify powerpc boot.msg a bit.

data/sarge/yaboot/boot.msg

@@ -11,9 +11,10 @@ symptom is a white screen which doesn't go away),
 use 'install video=ofonly' or 'expert video=ofonly'.
 
 The plain options are for the powerpc family of
-processors (from 601 to G4). The -power3 options
-are for IBM Power3 boxes, and the -power4 options
-are for IBM Power4 and Apple G5 boxes.
+processors (from 601 to G4). The *-power3 options
+are for IBM Power3 boxes, and the *-power4 options
+are for IBM Power4 and Apple G5 boxes. Press the tab
+key for a list of options, or type 'help' for help.
 
 ************************************
 If in doubt, just choose 'install', and if that 

debian/changelog

@@ -117,6 +117,7 @@ debian-cd (2.2.18) UNRELEASED; urgency=low
       that.
     - Remove -safe options from powerpc yaboot menu, as they caused
       combinatorial explosion. Instead, document video=ofonly in boot.msg.
+    - Clarify powerpc boot.msg a bit.
   * Sven Luther
     - fixed powerpc list so it includes the 2.6 kernels too as well as the
       power3 and power4 2.4 kernels.