diff --git a/README.md b/README.md
index 9687047..fb56872 100644
--- a/README.md
+++ b/README.md
@@ -14,10 +14,10 @@ Experimental async SOCKS5 (TCP/UDP) proxy server based on [fast-socks5](https://
 ## Usage
 
 ``` bash
-RUST_LOG=psocks=trace cargo run -- -a=http://localhost/allow.txt \
-                                   -a=/path/to/allow.txt \
-                                   -c=/path/to/cache.txt \
-                                   no-auth
+RUST_LOG=trace cargo run -- -a=http://localhost/allow.txt \
+                            -a=/path/to/allow.txt \
+                            -c=/path/to/cache.txt \
+                            no-auth
 ```
 * set `socks5://127.0.0.1:1080` proxy in your application
 * open http://127.0.0.1:8010 in browser for global stats:
@@ -71,7 +71,7 @@ ExecStart=/usr/local/bin/psocks \
 
 Restart=always
 
-Environment="RUST_LOG=warn"
+Environment="RUST_LOG=psocks=warn"
 Environment="NO_COLOR=1"
 
 StandardOutput=file:///var/log/psocks/debug.log