fix syntax error

README.md

@@ -191,14 +191,14 @@ rules:
   - RULE-SET,icloud,DIRECT
   - RULE-SET,apple,DIRECT
   - RULE-SET,google,DIRECT
-  - RULE-SET,proxy,PROXY
+  - RULE-SET,proxy,Proxy
   - RULE-SET,direct,DIRECT
   - RULE-SET,lancidr,DIRECT
   - RULE-SET,cncidr,DIRECT
-  - RULE-SET,telegramcidr,PROXY
+  - RULE-SET,telegramcidr,Proxy
   - GEOIP,,DIRECT
   - GEOIP,CN,DIRECT
-  - MATCH,PROXY
+  - MATCH,Proxy
 ```
 
 #### 黑名单模式 Rules 配置方式
@@ -213,10 +213,10 @@ rules:
   - DOMAIN,yacd.haishan.me,DIRECT
   - RULE-SET,private,DIRECT
   - RULE-SET,reject,REJECT
-  - RULE-SET,tld-not-cn,PROXY
+  - RULE-SET,tld-not-cn,Proxy
-  - RULE-SET,gfw,PROXY
+  - RULE-SET,gfw,Proxy
-  - RULE-SET,greatfire,PROXY
+  - RULE-SET,greatfire,Proxy
-  - RULE-SET,telegramcidr,PROXY
+  - RULE-SET,telegramcidr,Proxy
   - MATCH,DIRECT
 ```