Apply suggestions from code review

Co-authored-by: Ted Thibodeau Jr <[email protected]>

Author: pchampin

spec/index.html

@@ -681,7 +681,7 @@ <h4>Client Considerations</h4>
     <h3>Strings in RDF</h3>
 
     <p>RDF uses Unicode [[Unicode]] as the fundamental representation for string values.
-      Within this, and related specifications, the term <dfn id="dfn-rdf-string" class="export" data-local-lt="string">RDF string</dfn>,
+      Within this and related specifications, the term <dfn id="dfn-rdf-string" class="export" data-local-lt="string">RDF string</dfn>,
       or simply [=string=],
       is used to describe an ordered sequence of zero or more
       <a data-cite="I18N-GLOSSARY#dfn-code-point" class="lint-ignore">Unicode code points</a>
@@ -933,7 +933,7 @@ <h3>Literals</h3>
       two, three, or four components, as below:</p>
 
     <ol>
-      <li>A <dfn class="export">lexical form</dfn>, being an <a data-lt="string">RDF string</a>.
+      <li>A <dfn class="export">lexical form</dfn>, being an <a data-lt="string">RDF string</a>.</li>
       <li>A <dfn class="export">datatype IRI</dfn>, being an <a>IRI</a>
         identifying a datatype that determines how the lexical form maps
         to a <a>literal value</a>.</li>