diff --git a/README_CUSTOM_CONFIG.md b/README_CUSTOM_CONFIG.md
index 9eace51..4a721f2 100644
--- a/README_CUSTOM_CONFIG.md
+++ b/README_CUSTOM_CONFIG.md
@@ -19,7 +19,7 @@ Proxy with authentication
 You can set proxy with authentication by passing following environment variable:
 
 - HTTP_PROXY_USER="\<username>"
-- HTTPS_PROXY_PASSWORD="\<password>"
+- HTTP_PROXY_PASSWORD="\<password>"
 
 
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