'comments' -> 'remarks' in all README.md files

As in

    sgit -e 's/\([Aa]uthor.*\)comments/\1remarks/g' -e 's/\([Jj]udge.*\)comments/\1remarks/g' '*README.md'

2011/hamaji/README.md

@@ -27,7 +27,7 @@ make
 ./hamaji < samurai.nono
 ```
 
-## Judges' comments:
+## Judges' remarks:
 
 This program solves "Nonogram", which also known as "Paint by Numbers":
 
@@ -44,7 +44,7 @@ files and then compare your solution with this program!
 NOTE: NONOGRAM (r) is a registered Trademark and is used with permission.
       See http://nonogram.com/ for more information.
 
-## Author's comments:
+## Author's remarks:
 
 The format of the input files are as same as this site: