diff --git a/kdelibs.spec b/kdelibs.spec
index 3acdba2..25446d7 100644
--- a/kdelibs.spec
+++ b/kdelibs.spec
@@ -143,6 +143,7 @@ Patch53: kdelibs-4.7.2-kjs-s390.patch
 Patch54: kdelibs-4.8.4-kjs-locale.patch
 
 # patch FindSamba.cmake to find samba4 libs (using pkg-config hints)
+# https://git.reviewboard.kde.org/r/106861/
 Patch55: kdelibs-4.9.2-FindSamba_samba4.patch
 
 # backport FindKipi.cmake from Digikam SC 3.0.0-beta1 for libkipi 2 (kde#307213)