diff --git a/bash-5.1/bashhist.c b/bash-5.1/bashhist.c
index bf1733bad915feb90ae84dd5b89a6225ab391dc2..f80cc0f1977ea89e7da430f840a0bdcb09bce559 100644
--- a/bash-5.1/bashhist.c
+++ b/bash-5.1/bashhist.c
@@ -875,7 +875,7 @@ bash_add_history (line)
   add_it = 1;
   if (command_oriented_history && current_command_line_count > 1)
     {
-      is_comment = (parser_state & PST_HEREDOC) ? 0 : shell_comment (line); #开头是返回1,后面有返回2,没有返回0
+      is_comment = (parser_state & PST_HEREDOC) ? 0 : shell_comment (line); //开头是返回1,后面有返回2,没有返回0
 
       /* The second and subsequent lines of a here document have the trailing
 	 newline preserved.  We don't want to add extra newlines here, but we