diff --git a/ftp/curl/Makefile b/ftp/curl/Makefile
index 4592a82ebcaf..c14bd200a9a1 100644
--- a/ftp/curl/Makefile
+++ b/ftp/curl/Makefile
@@ -32,7 +32,7 @@ HTTP2_DESC=		HTTP/2 support (requires HTTP)
 HTTP2_IMPLIES=		HTTP
 IMAP_DESC=		IMAP/IMAPS support
 LDAPS_IMPLIES=		LDAP
-LIBSSH2_DESC=		SCP/SFTP support via libssh2
+LIBSSH2_DESC=		SCP/SFTP support via libssh2 (requires OPENSSL)
 LIBSSH2_IMPLIES=	OPENSSL
 POP3_DESC=		POP3/POP3S support
 PROXY_IMPLIES=		HTTP