diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3
index da3232d54..5032ce226 100644
--- a/docs/libcurl/curl_easy_setopt.3
+++ b/docs/libcurl/curl_easy_setopt.3
@@ -446,6 +446,8 @@ Certificate Revocation List. See \fICURLOPT_CRLFILE(3)\fP
 Verify the host name in the SSL certificate. See \fICURLOPT_SSL_VERIFYHOST(3)\fP
 .IP CURLOPT_CERTINFO
 Extract certificate info. See \fICURLOPT_CERTINFO(3)\fP
+.IP CURLOPT_PINNEDPUBLICKEY
+Set pinned SSL public key . See \fICURLOPT_PINNEDPUBLICKEY(3)\fP
 .IP CURLOPT_RANDOM_FILE
 Provide source for entropy random data. See \fICURLOPT_RANDOM_FILE(3)\fP
 .IP CURLOPT_EGDSOCKET