Tweak language

Remove "English", and clarify that we are using domain-specific terms in place of the general usage.

index.html

@@ -156,11 +156,11 @@ <h2>Scope</h2>
       <h2>Introduction</h2>
       <section>
         <h3>Transcripts and Scripts</h3>
-        <p>In general English language, one meaning of the word <em>script</em> is
+        <p>In general usage, one meaning of the word <em>script</em> is
           the written text of a film, television programme, play etc.
           This can be either a record of the completed production
           or as a plan for a yet to be created production.
-          In this document, we define more specifically that:</p>
+          In this document, we use domain-specific terms, and define more specifically that:</p>
         <ul>
           <li>a <dfn>transcript</dfn> is the text representation of <em>pre-existing</em> media in another form,
             for example the dialogue in a video;</li>