diff --git a/std-script/grade b/std-script/grade
--- a/std-script/grade
+++ b/std-script/grade
@@ -18,12 +18,14 @@
 end
 
 def char_comment(comment)
-  if comment =~ /[iI]ncorrect/
+  if comment =~ /[Ii]ncorrect/
     INCORRECT_MARK
   elsif comment =~ /[Cc]orrect/
     CORRECT_MARK
   elsif comment =~ /[Tt]ime/
     TIMEOUT_MARK
+  elsif res = /^[Cc]omment:(.*)$/.match(comment)
+    res[1]
   else
     RUN_ERROR_MARK  # these are run time errors
   end
@@ -59,7 +61,7 @@
       if result_file_lines.length>=2
         run_score = run_score + result_file_lines[1].to_i
         run_comment += result_file_lines[0]
-        run_comment_short += char_comment(result_file_lines[0])
+        run_comment_short += char_comment(result_file_lines[0].chomp)
       else
         run_comment += "result file for test #{test_num} error\n"
         run_comment_short += RUN_ERROR_MARK