diff --git a/README.md b/README.md
index be02067..45d0949 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
-# ch32v203
-CH32V203 is an industrial-grade enhanced low-power,small-medium capacity general-purpose MCU based on 32-bit RISC-V core
+# ch32v20x
+CH32V20x is an industrial-grade enhanced low-power,small-medium capacity general-purpose MCU based on 32-bit RISC-V core