diff --git a/README.md b/README.md
index 37f6bcc..93a9a7a 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ curl http://127.0.0.1:3040/v1/chat/completions \
 
 ## Compatibility
 
-You can use it in any app, such as OpenCat, Next-Chat, Lobe-Chat, Bob, etc. Feel free to fill in an API Key with any string, for example, `gptyyds`.
+You can use it in any app, such as OpenCat, Next-Chat, Lobe-Chat, Bob, etc. Feel free to fill in an **API Key** with any string, for example, `gptyyds`.
 
 It's best not to use **immersive translate**, otherwise your server IP may be suspected of suspicious activity and quickly blocked.