diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index d9a76cc2..ee28db5a 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -1,5 +1,5 @@
 /*
- *  be_local.c
+ *  be_local.c : backend for the local database
  *
  *  Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index a0261d07..94df0718 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -1,5 +1,5 @@
 /*
- *  be_package.c
+ *  be_package.c : backend for packages
  *
  *  Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index bb109284..f0b1736d 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -1,5 +1,5 @@
 /*
- *  be_sync.c
+ *  be_sync.c : backend for sync databases
  *
  *  Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>