Fix missing </t>

Not sure how this got in, but it is breaking the build now.

Author: handrews

jsonschema-validation.xml

@@ -951,7 +951,7 @@
                         <list style="symbols">
                             <t>Standardized on hyphenated format names ("uriref" becomes "uri-ref")</t>
                             <t>Add the formats "uri-template" and "json-pointer"</t>
-                            <t>Changed "exclusiveMaximum"/"exclusiveMinimum" from boolean modifiers of "maximum"/"minimum" to independent numeric fields.
+                            <t>Changed "exclusiveMaximum"/"exclusiveMinimum" from boolean modifiers of "maximum"/"minimum" to independent numeric fields.</t>
                             <t>Split the additionalItems/items into two sections</t>
                             <t>Reworked properties/patternProperties/additionalProperties definition</t>
                             <t>Added "examples" keyword</t>