Improve wording usage (with -> within)

Co-authored-by: Jason Desrosiers <[email protected]>

Author: handrews

jsonschema-core.xml

@@ -2559,7 +2559,7 @@
                         </t>
                         <t>
                             An instance is valid against "contains" if the number of elements or property
-                            values that are valid against its subschema is with the inclusive range of
+                            values that are valid against its subschema is within the inclusive range of
                             the minimum and (if any) maximum number of occurrences.
                         </t>
                         <t>