diff --git a/GPP/GPP-1.5.99.ckan b/GPP/GPP-1.5.99.ckan
index a65f0edd37..967378d6eb 100644
--- a/GPP/GPP-1.5.99.ckan
+++ b/GPP/GPP-1.5.99.ckan
@@ -50,6 +50,9 @@
         {
             "name": "KerbalKonstructs"
         },
+        {
+            "name": "SigmaReplacements-Descriptions"
+        },
         {
             "name": "SigmaReplacements-Heads"
         },