diff --git a/libvncserver.spec b/libvncserver.spec
index b831ac8..adee6f9 100644
--- a/libvncserver.spec
+++ b/libvncserver.spec
@@ -11,6 +11,7 @@ Source0:    https://github.com/LibVNC/libvncserver/archive/LibVNCServer-%{versio
 Patch1:     LibVNCServer-0.9.10-system_minilzo.patch
 Patch2:     libvncserver-0.9.1-multilib.patch
 Patch3:     LibVNCServer-0.9.10-system-crypto-policy.patch
+# https://github.com/LibVNC/libvncserver/issues/102
 Patch4:     LibVNCServer-0.9.10-max-gcc6.patch
 
 BuildRequires:  autoconf