Fix spelling / duplicate words.

Author: handrews

jsonschema-core.xml

@@ -325,8 +325,8 @@
             </t>
             <t>
                 The URI is not a network locator, only an identifier. A schema need not be downloadable from the address
-                if it is a network-addressible URL, and implementations SHOULD NOT assume they should perform a network
-                operation when they encounter a network-addressible URI.
+                if it is a network-addressable URL, and implementations SHOULD NOT assume they should perform a network
+                operation when they encounter a network-addressable URI.
             </t>
             <t>
                 A schema MUST NOT be run into an infinite loop against a schema. For example, if two schemas "#alice" and "#bob"
@@ -457,7 +457,7 @@
                     </t>
                     <t>
                         Implementations SHOULD be able to associate arbitrary URIs with an arbitrary schema and/or
-                        automatically associate a schema's "$id"-given URI, depending on the trust that the the validator
+                        automatically associate a schema's "$id"-given URI, depending on the trust that the validator
                         has in the schema.
                     </t>
                     <t>

jsonschema-hyperschema.xml

@@ -885,7 +885,7 @@ GET /foo/
                     </t>
 
                     <t>
-                        Note that this does not provide data for any URI templates.  That is handed by <xref target="hrefSchema">"hrefSchema"</xref>.  If the method is "get" and the resolved URI Template has a query string, the query string produced by input validated agaisnt "schema" replaces the existing query string.
+                        Note that this does not provide data for any URI templates.  That is handed by <xref target="hrefSchema">"hrefSchema"</xref>.  If the method is "get" and the resolved URI Template has a query string, the query string produced by input validated against "schema" replaces the existing query string.
                     </t>
 
                     <t>