Index: tools/pixelmap_test/PixelMap.txt
===================================================================
--- tools/pixelmap_test/PixelMap.txt	(revision 11)
+++ tools/pixelmap_test/PixelMap.txt	(revision 12)
@@ -9,5 +9,5 @@
 # to be edited if DRS or HV channels change
 #
-# !!! do NOT edit the pixel name (x-x-x) !!!
+# Format for pixel names is (x-x-x), to be followed by : delimiter
 #
 # gAPD arrangement within pixel is NOT defined here
@@ -15,9 +15,9 @@
 # =====================================================================
 #
-# allowed field separators: space, tab, comma in arbitrary combination
+# allowed field separators: space and tab in arbitrary combination
 #
 # empty lines allowed
 #
-# lines starting with # considered as comment
+# lines _starting_ with # considered as comment (first character!)
 #
 # =====================================================================