diff --git a/doc/certificate.md b/doc/certificate.md
index 102d49e96..d0a2f78cd 100644
--- a/doc/certificate.md
+++ b/doc/certificate.md
@@ -120,10 +120,6 @@ Add these lines:
RequestHeader set SSL_CLIENT_S_DN_CN ""
-
- SSLVerifyClient require
-
-
SSLVerifyClient require
RequestHeader set SSL_CLIENT_S_DN_CN "%{SSL_CLIENT_S_DN_CN}s"