diff --git a/src/README b/src/README
new file mode 100644
index 00000000..10f8b111
--- /dev/null
+++ b/src/README
@@ -0,0 +1,6 @@
+PISI is a new package manager implemented in python.
+
+Guidelines:
+
+1. When using dirnames, don't expect the dir to end with a trailing slash,
+and use the dirnames in pisiconfig
diff --git a/src/pisiconfig.py b/src/pisiconfig.py
index 138905dd..83c0c0ba 100644
--- a/src/pisiconfig.py
+++ b/src/pisiconfig.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 
-lib_dir = "/var/lib/pisi/"
-db_dir = "/var/db/pisi/"
-archives_dir = "/var/cache/pisi/archives/"
-tmp_dir =  "/var/tmp/pisi/"
-build_dir = tmp_dir + "build/"
-image_dir = tmp_dir + "image"
+lib_dir = "/var/lib/pisi"
+db_dir = "/var/db/pisi"
+archives_dir = "/var/cache/pisi/archives"
+tmp_dir =  "/var/tmp/pisi"
+build_dir = tmp_dir + "/build"
+image_dir = tmp_dir + "/image"