1 files changed, 1 insertions, 1 deletions
diff --git a/debug.c b/debug.c
index d4576b64e5..f1b83714d8 100644
--- a/debug.c
+++ b/debug.c
@@ -450,7 +450,7 @@ check_filter(const char *str, const struct debug_log_filter *filter, bool *state
 //   (func_name or file_name) contains baz or boo
 //
 // RUBY_DEBUG_LOG_FILTER=foo,bar,-baz,-boo
-// retunrs true if
+// returns true if
 //   (func_name or file_name) contains foo or bar
 // or
 //   (func_name or file_name) doesn't contain baz and