diff --git a/docs/chapter_sorting/bubble_sort.md b/docs/chapter_sorting/bubble_sort.md
index 522f17af5..f71dce77d 100644
--- a/docs/chapter_sorting/bubble_sort.md
+++ b/docs/chapter_sorting/bubble_sort.md
@@ -383,7 +383,7 @@ comments: true
                     flag = true;
                 }
             }
-            if(!falg) break;
+            if(!flag) break;
         }
     }
     ```