diff --git a/posts/cpp-binary-search.md b/posts/cpp-binary-search.md
index eab566c..cab6c65 100644
--- a/posts/cpp-binary-search.md
+++ b/posts/cpp-binary-search.md
@@ -1,4 +1,4 @@
-# lower\_bound, upper\_bound in c++, visually explained
+# lower bound, upper bound in c++, visually explained
 
 2024-04-02