Fixing a couple of bikeshed errors (#1425)

Author: jakearchibald

docs/index.bs

@@ -2894,7 +2894,7 @@ spec: webappsec-referrer-policy; urlPrefix: https://w3c.github.io/webappsec-refe
   </section>
 
   <section algorithm>
-    <h3 id="should-skip-event"><dfn>Should Skip Event</dfn></h3>
+    <h3 id="should-skip-event-algorithm"><dfn>Should Skip Event</dfn></h3>
       : Input
       :: |eventName|, a string
       :: |serviceWorker|, a [=/service worker=]
@@ -3174,7 +3174,7 @@ spec: webappsec-referrer-policy; urlPrefix: https://w3c.github.io/webappsec-refe
       : Input
       :: |clientURL|, a [=/URL=]
       : Output
-      :: |registration|, a [=/service worker registration=]
+      :: A [=/service worker registration=]
 
       1. Run the following steps atomically.
       1. Let |clientURLString| be <a lt="URL serializer">serialized</a> |clientURL|.

docs/v1/index.bs

@@ -2686,7 +2686,7 @@ spec: webappsec-referrer-policy; urlPrefix: https://w3c.github.io/webappsec-refe
   </section>
 
   <section algorithm>
-    <h3 id="should-skip-event"><dfn>Should Skip Event</dfn></h3>
+    <h3 id="should-skip-event-algorithm"><dfn>Should Skip Event</dfn></h3>
       : Input
       :: |eventName|, a string
       :: |serviceWorker|, a [=/service worker=]
@@ -2966,7 +2966,7 @@ spec: webappsec-referrer-policy; urlPrefix: https://w3c.github.io/webappsec-refe
       : Input
       :: |clientURL|, a [=/URL=]
       : Output
-      :: |registration|, a [=/service worker registration=]
+      :: A [=/service worker registration=]
 
       1. Run the following steps atomically.
       1. Let |clientURLString| be <a lt="URL serializer">serialized</a> |clientURL|.