diff --git a/package.json b/package.json
index b7eed3f..8501803 100644
--- a/package.json
+++ b/package.json
@@ -11,13 +11,13 @@
     "bugs"          : { "url": "https://github.com/sketchpunklabs/ossos/issues" },
 
     "files"         : [ "dist" ],
-    "main"          : "./dist/ossos.cjs.js",
+    "main"          : "./dist/ossos.js",
     "module"        : "./dist/ossos.es.js",
     "types"         : "./dist/ossos.d.ts",
     "exports": {
         ".": {
             "import"  : "./dist/ossos.es.js",
-            "require" : "./dist/ossos.cjs.js"
+            "require" : "./dist/ossos.js"
         }
     },
 
diff --git a/README.md b/README.md
index ff954ed..48782b6 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,14 @@ npm install
 npm run dev
 ```
 
+### Build ###
+
+```
+npm install
+npm run build
+npm run build:types
+```
+
 **[ NOTE ]** To be able to run the example, you'll need to go into /examples/_res/ and follow the instructions to clone the resource repo. The files are quite large, so they are kept in a seperate repo to keep this project as light weight as possible.
 
 ## Usage ###
diff --git a/src/armature/BoneSlots.ts b/src/armature/BoneSlots.ts
index c9b7370..3bd62a5 100644
--- a/src/armature/BoneSlots.ts
+++ b/src/armature/BoneSlots.ts
@@ -136,7 +136,7 @@ class BoneSlots{
 
                 //-------------------------------------
                 // APPLY
-                this.onAttachmentUpdate( si.obj, rot, pos, scl, b.world.rot );
+                this.onAttachmentUpdate( si.obj, rot, pos, scl );
             }
         }