diff --git a/kchmviewer.spec b/kchmviewer.spec
index 24cd751..92aa53d 100644
--- a/kchmviewer.spec
+++ b/kchmviewer.spec
@@ -12,6 +12,7 @@ Source0:        http://downloads.sourceforge.net/kchmviewer/kchmviewer-%{version
 Patch1:         kchmviewer-5.1-no_msits.patch
 
 # add missed source files to src/CMakeLists.txt
+# applied in upstream svn363
 Patch2:         kchmviewer-5.2-missed-src.patch
 
 BuildRequires:  chmlib-devel