typo fix for "returm"

chatcommands.py

@@ -2343,7 +2343,7 @@ def report_posts(urls, reported_by_owner, reported_in=None, blacklist_by=None, o
         # be the why as the second. This converts that output back into what they would be
         # if the post wasn't previously reported for the cases where we want to process it
         # as such.
-        # Expand real scan results from dirty returm value when not "!!/scan"
+        # Expand real scan results from dirty return value when not "!!/scan"
         # Presence of "scan_why" indicates the post IS spam but ignored
         if (operation != "scan" or is_forced) and (not scan_spam) and scan_why:
             scan_spam = True