diff --git a/index.bs b/index.bs
index d438d4a..87d1258 100644
--- a/index.bs
+++ b/index.bs
@@ -309,7 +309,7 @@ is the rectangle we'll use to check against the targets.
 	<dd>it's the element's <a>content area</a>.
 
 	<dt>Otherwise,
-	<dd>it's the result of running the {{Element/getBoundingClientRect()}} algorithm on the <a>intersection root</a>.
+	<dd>it's the result of <a>getting the bounding box</a> for the <a>intersection root</a>.
 </dl>
 
 When calculating the <a>root intersection rectangle</a> for
@@ -385,8 +385,8 @@ dictionary IntersectionObserverEntryInit {
 <div dfn-type="attribute" dfn-for="IntersectionObserverEntry">
 	: <dfn>boundingClientRect</dfn>
 	::
-		A {{DOMRectReadOnly}} obtained by running the {{Element/getBoundingClientRect()}} algorithm
-		on the {{IntersectionObserverEntry/target}}.
+		A {{DOMRectReadOnly}} obtained by <a>getting the bounding box</a>
+		for {{IntersectionObserverEntry/target}}.
 	: <dfn>intersectionRect</dfn>
 	::
 		{{IntersectionObserverEntry/boundingClientRect}}, intersected by
@@ -468,8 +468,7 @@ dictionary IntersectionObserverInit {
 
 		Threshold values must be in the range of [0, 1.0] and represent a
 		percentage of the area of the rectangle produced
-		by running the {{Element/getBoundingClientRect()}} algorithm
-		on the <a>target</a>.
+		by <a>getting the bounding box</a> for <a>target</a>.
 
 		Note: 0.0 is effectively "any non-zero number of pixels".
 </div>
@@ -623,7 +622,7 @@ Compute the Intersection of a Target Element and the Root</h4>
 To <dfn>compute the intersection</dfn> between a <a>target</a> |target| and an <a>intersection root</a> |root|,
 run these steps:
 
-1. Let |intersectionRect| be the result of running the {{Element/getBoundingClientRect()}} algorithm on |target|.
+1. Let |intersectionRect| be the result of <a>getting the bounding box</a> for |target|.
 2. Let |container| be the <a>containing block</a> of |target|.
 3. While |container| is not |root|:
 	1. If |container| is the {{document}} of a <a>nested browsing context</a>,
@@ -665,8 +664,8 @@ To <dfn export>run the update intersection observations steps</dfn> for a
 		3. If the <a>intersection root</a> is an {{Element}},
 			and |target| is not a descendant of the <a>intersection root</a>
 			in the <a>containing block chain</a>, skip to step 11.
-		4. Set |targetRect| to the {{DOMRectReadOnly}} obtained
-			by running the {{Element/getBoundingClientRect()}} algorithm on |target|.
+		4. Set |targetRect| to the {{DOMRectReadOnly}} obtained by <a>getting the bounding box</a> for
+			|target|.
 		4. Let |intersectionRect| be the result of running the <a>compute the intersection</a>
 			algorithm on |target| and |observer|'s <a>intersection root</a>.
 		5. Let |targetArea| be |targetRect|'s area.
diff --git a/polyfill/package.json b/polyfill/package.json
deleted file mode 100644
index e1c8042..0000000
--- a/polyfill/package.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "name": "intersection-observer",
-  "version": "0.12.1",
-  "description": "A polyfill for IntersectionObserver",
-  "main": "intersection-observer.js",
-  "repository": {
-    "type": "git",
-    "url": "git@github.com:w3c/IntersectionObserver.git"
-  },
-  "keywords": [
-    "Intersection",
-    "Observer"
-  ],
-  "author": {
-    "name": "Philip Walton",
-    "email": "philip@philipwalton.com",
-    "url": "http://philipwalton.com"
-  },
-  "license": "W3C-20150513",
-  "bugs": {
-    "url": "https://github.com/w3c/IntersectionObserver/issues"
-  }
-}