diff --git a/source/version_two/development/yolo.md b/source/version_two/development/yolo.md
index 3146304..5c719ee 100644
--- a/source/version_two/development/yolo.md
+++ b/source/version_two/development/yolo.md
@@ -1,4 +1,4 @@
-## yolo V5
+## YOLO V5
 ## 简介
 YOLOv5 是革命性的“You Only Look Once”物体检测模型的第五次迭代，旨在实时提供高速、高精度的结果。