diff --git a/lib/gssapi/gss_acquire_cred.3 b/lib/gssapi/gss_acquire_cred.3
index af44a64c4..39369cff4 100644
--- a/lib/gssapi/gss_acquire_cred.3
+++ b/lib/gssapi/gss_acquire_cred.3
@@ -414,6 +414,8 @@ Heimdals GSS-API implementation supports the following mechanisms
 .Bl -bullet
 .It
 .Li GSS_KRB5_MECHANISM
+.It
+.Li GSS_SPNEGO_MECHANISM
 .El
 .Pp
 GSS-API have generic name types that all mechanism are supposed to
diff --git a/lib/gssapi/krb5/gss_acquire_cred.3 b/lib/gssapi/krb5/gss_acquire_cred.3
index af44a64c4..39369cff4 100644
--- a/lib/gssapi/krb5/gss_acquire_cred.3
+++ b/lib/gssapi/krb5/gss_acquire_cred.3
@@ -414,6 +414,8 @@ Heimdals GSS-API implementation supports the following mechanisms
 .Bl -bullet
 .It
 .Li GSS_KRB5_MECHANISM
+.It
+.Li GSS_SPNEGO_MECHANISM
 .El
 .Pp
 GSS-API have generic name types that all mechanism are supposed to