Change "A" to "An" (#1103)

YummyBacon5 · web-flow · commit 662cc343a36f · 2023-10-27T23:24:45.000-07:00
diff --git a/index.html b/index.html
@@ -155,7 +155,7 @@ <h2>
         Web Application Manifest
       </h2>
       <p>
-        A <dfn data-export="" data-lt="manifest" data-local-lt=
+        An <dfn data-export="" data-lt="manifest" data-local-lt=
         "manifest's">application manifest</dfn> is a [[JSON]] document that
         contains startup parameters and application defaults for when a web
         application is launched.
