diff --git a/README_CUSTOM_CONFIG.md b/README_CUSTOM_CONFIG.md
index 52249dc..76e3020 100644
--- a/README_CUSTOM_CONFIG.md
+++ b/README_CUSTOM_CONFIG.md
@@ -3,7 +3,7 @@ Proxy
 
 You can enable proxy inside container by passing following environment variables:
 
-- HTTP_PROXY="\<language>docker\_bridge\_ip\_address>"
+- HTTP_PROXY="\<docker\_bridge\_ip\_address>"
 - HTTPS_PROXY="\<docker\_bridge\_ip\_address>"
 - NO_PROXY="localhost"