diff --git a/tools/mirb/mirb.c b/tools/mirb/mirb.c
index 3089d288f..e3dd097a8 100644
--- a/tools/mirb/mirb.c
+++ b/tools/mirb/mirb.c
@@ -83,7 +83,7 @@ bool is_code_block_open(struct mrb_parser_state *parser) {
 
   if (!code_block_open) {
     // based on the last parser state the code
-    // block seems to be open
+    // block seems to be closed
 
     // now check if parser error are available
     if (0 < parser->nerr) {