Update PR with @GaryGapiniski and @wendellpiez feedback recs.

Author: aj-stein-nist

src/specifications/profile-resolution/profile-resolution-specml.xml

@@ -751,7 +751,7 @@ intermediate:
         </tagging>
         <p><req level="must" id="req-merge-use-first">When the
           &quot;use-first&quot;combination rule is applied, and controls that share a distinctive ID are found, the first control encountered MUST be kept, the rest MUST be discarded.
-          &quot;First&quot; MUST be determined in document order by a top-down, depth-first traversal of the source profile&apos;s import hierarchy.
+          &quot;First&quot; MUST be determined by a top-down, depth-first traversal of the source profile&apos;s in the order they occur within the import hierarchy of the docuent.
         </req></p>
         <mapping>
           <tagging whose="source_profile">
@@ -1016,7 +1016,7 @@ intermediate:
             </li>
             <li>
               <p>
-                <code>keep</code>indicates that controls should be inserted in document order, using a depth-first traversal of the source profile&apos;s imports.
+                <code>keep</code>indicates that controls should be inserted using a depth-first traversal of the source profile&apos;s in the order they occur in the import hierarchy of the document.
               </p>
             </li>
           </ul>
@@ -1362,7 +1362,7 @@ control:
         <src>back-matter</src> in the input profile.
       </p>
       <ul>
-        <li><p><req level="must" id="req-backmatter">The output's backmatter MUST be generated by copying in each <src>resource</src> object from the backmatters of the imported catalogs/profiles in document order, then by copying in each <src>resource</src> object from the backmatter of the source profile itself in document order. These objects MUST be processed in the order they are defined in each respective document.</req></p></li>
+        <li><p><req level="must" id="req-backmatter">The output's backmatter MUST be generated by copying in each <src>resource</src> object from the backmatters of the imported catalogs/profiles in the order it occurs in the document, then by copying in each <src>resource</src> object from the backmatter of the source profile itself in the order it occurs in the document. These objects MUST be processed in the order they are defined in each respective document.</req></p></li>
         <li>
           <p><req level="must" id="req-backmatter-dupe">If a given
             <src>resource</src> has the same