diff --git a/fontforge.spec b/fontforge.spec
index cb6630f..dfe9f9f 100644
--- a/fontforge.spec
+++ b/fontforge.spec
@@ -29,7 +29,7 @@ Source1:        http://downloads.sourceforge.net/%{name}/%{name}_htdocs-%{src_ve
 # PATCH-FIX-OPENSUSE -- set path to documentation
 Patch0:         fontforge-docdir.patch
 Patch1:         fontforge-fdleak.patch
-# workaround, this should be resolved upstream (use pkg-config)
+# workaround, this should be resolved upstream (use pkg-config) bnc#867041
 Patch2:         fontforge-libpng.diff
 # PATCH-FIX-OPENSUSE fontforge-python-module-name.diff -- change python module name according to naming policy
 Patch3:         fontforge-python-module-name.diff
@@ -115,7 +115,7 @@ find . -name CVS -type d | xargs rm -rf
 sed -i 's/\r$//' docs/{Big5.txt,corpchar.txt}
 
 %build
-# workaround, this should be resolved upstream (use pkg-config)
+# workaround, this should be resolved upstream (use pkg-config) bnc#867041
 pkg-config --exists 'libpng >= 1.7.0' && echo 'Libpng was updated to 1.7, fontforge-libpng.patch will probably need to be adapted.' && exit 1
 export CFLAGS="%{optflags} -fno-strict-aliasing"
 %configure \