diff --git a/doc/crypto/CMS_sign_add1_signer.pod b/doc/crypto/CMS_sign_add1_signer.pod
index c5e4f198d5a47fbd4fde160af4fd8fff01cd4b0c..bda3ca2adbd1c14c82a81096cee8657d14f637e9 100644
--- a/doc/crypto/CMS_sign_add1_signer.pod
+++ b/doc/crypto/CMS_sign_add1_signer.pod
@@ -2,7 +2,7 @@
 
 =head1 NAME
 
- CMS_sign_add_signer, CMS_SignerInfo_sign - add a signer to a CMS_ContentInfo signed data structure.
+ CMS_sign_add1_signer, CMS_SignerInfo_sign - add a signer to a CMS_ContentInfo signed data structure.
 
 =head1 SYNOPSIS