Update index.html

spec/index.html

@@ -245,15 +245,16 @@ <h3>RDF Literals</h3>
       In addition '<code>\</code>' (<span class="codepoint">U+005C</span>)
       may not appear in any quoted literal except as part of an escape sequence
       and a <code>"</code> (<span class="codepoint">U+0022</span>) character
-      can only be included in a quote literal using an escape sequence.
+      can only be included in a quoted literal using an escape sequence.
       </p>
 
     <p>The corresponding <a data-cite="RDF12-CONCEPTS#dfn-lexical-form">RDF lexical form</a>
       is the characters between the delimiters, after processing any escape sequences.
       If present, the <a data-cite="RDF12-CONCEPTS#dfn-language-tag">language tag</a>
       is preceded by a '<code>@</code>' (<span class="codepoint">U+0040</span>).
       If there is no language tag, there may be a <a data-cite="RDF12-CONCEPTS#dfn-datatype-iri">datatype IRI</a>,
-      preceded by '<code>^^</code>' (<span class="codepoint">U+005E</span><span class="codepoint">U+005E</span>).
+      preceded by two concatenated <code>^</code> characters,
+      each having the code point <span class="codepoint">U+005E</span>.
       If there is no datatype IRI and no language tag
       it is a <a data-cite="RDF12-CONCEPTS#dfn-simple-literal">simple literal</a>
       and the datatype is <code>http://www.w3.org/2001/XMLSchema#string</code>.