Fix JSON syntax error.

Change-Id: I46828bbb51787776b34779a2f0d06f0c47f1ff1d
diff --git a/mendel-builder/aptly.conf b/mendel-builder/aptly.conf
index 905d551..12ee82a 100644
--- a/mendel-builder/aptly.conf
+++ b/mendel-builder/aptly.conf
@@ -2,8 +2,11 @@
   "rootDir": "/var/lib/aptly",
   "gpgProvider": "gpg2",
   "FileSystemPublishEndpoints": {
-    "unstable": {
-      "rootDir": "/var/lib/aptly/publishes/unstable"
+    "unstable-core": {
+      "rootDir": "/var/lib/aptly/publishes"
+    },
+    "unstable-bsp-enterprise": {
+      "rootDir": "/var/lib/aptly/publishes"
     }
   }
 }