diff --git a/README.md b/README.md
index 7bf854ca9f836da80de99da536f0600933f1bdfb..0348bfaf2b240308fae10060fbeb19c8f6cb79f9 100644
--- a/README.md
+++ b/README.md
@@ -63,5 +63,5 @@ Usage of ./go-mmproxy:
 Example invocation:
 
 ```shell
-sudo ./go-mmproxy -l 0.0.0.0:25577 -4 127.0.0.1:25578 -6 [::1]:25578 --allow-subnets ./path-prefixes.txt
+sudo ./go-mmproxy -l 0.0.0.0:25577 -4 127.0.0.1:25578 -6 [::1]:25578 --allowed-subnets ./path-prefixes.txt
 ```