Noting that colorsrows can only be between 1 & 3

src/manpage/tuxpaint.1

@@ -71,7 +71,7 @@ tuxpaint -- "Tux Paint", a drawing program for young children.
 .br
 [\-\-mirrorstamps]
 .br
-[\-\-colorsrows=ROWS]
+[\-\-colorsrows=\fIROWS\fP]
 .br
 [\-\-mouse-accessibility]
 .br
@@ -456,7 +456,7 @@ options displayed when using the \fINew\fP tool to start a new picture.
 .B \-\-colorsrows=\fIrows\fP
 How many rows of color palette buttons to show; useful when using
 a large color palette, and/or for use with coarse input devices
-(like eyegaze trackers).
+(like eyegaze trackers).  It can be between 1 (default) and 3.
 
 .TP 8
 .B \-\-mirrorstamps \-\-dontmirrorstamps

src/tuxpaint-completion.bash

@@ -48,7 +48,8 @@ _tuxpaint()
 			--outlines --nooutlines \
 			--stamps --nostamps \
                         --newcolorsfirst --newcolorslast \
-                        --colorsrows= \
+                        --colorsrows=1 --colorsrows=2 \
+                        --colorsrows=3 \
 			--sysfonts --nosysfonts \
 			--nostampcontrols --stampcontrols \
 			--nomagiccontrols --magiccontrols \