diff --git a/artwork/HIMARS14.g2f b/artwork/HIMARS14.g2f
new file mode 100644
index 0000000..027136d
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diff --git a/artwork/HIMARS14.png b/artwork/HIMARS14.png
new file mode 100644
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diff --git a/program.asm b/program.asm
index 7f9b409..23260cf 100644
--- a/program.asm
+++ b/program.asm
@@ -9,12 +9,13 @@
 ;this source code was compiled under OMC65 crossassembler
 ;and on 2012-06-21 translated to mads
 ;
-;game source code is split into 5 parts:
-;program.s65 is the main game code (with many assorted routines)
-;grafproc.s65 - graphics routines like line or circle
-;textproc.s65 - text routines like list of weapons and shop
-;variables.s65 - all non-zero page variables and constans
-;display.s65 - display lists and text screen definitions
+;game source code is split into 6 parts:
+;program.asm is the main game code (with many assorted routines)
+;grafproc.asm - graphics routines like line or circle
+;textproc.asm - text routines like list of weapons and shop
+;variables.asm - all non-zero page variables and constans
+;display.asm - display lists and text screen definitions
+;ai.asm - artificial stupidity of computer opponents
 
 ;we were trying to use as much macros and pseudoops as possible
 ;they are defined in atari.hea and macro.hea files together with many
@@ -28,7 +29,7 @@
 ;
 ;originally most variables were in Polish, comments were sparse
 ;but we wanted to release this piece of code to public
-;and due to being always short of time (to finish the game)
+;and due to being always short of time/energy (to finish the game)
 ;we decided it must go in 'English' to let other people work on it
 
     .zpvar xdraw .word = $80 ;variable X for plot