diff --git a/readme.md b/readme.md
index f4838dd..6fdc928 100644
--- a/readme.md
+++ b/readme.md
@@ -1,3 +1,3 @@
 ## FPGA时钟分频
-### 1.FPGA计数分频
+### 1.FPGA奇数分频
 ### 2.FPGA偶数分频
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