Update specs/jsonschema-core.md

Co-authored-by: Greg Dennis <[email protected]>

Author: jdesrosiers

specs/jsonschema-core.md

@@ -963,7 +963,7 @@ fragments as an alternative to JSON Pointers.[^4] See {{fragments}}.
 
 [^4]: Note that the anchor string does not include the "#" character, as it is
 just a fragment identifier not an IRI reference. To reference the "foo"
-`$anchor` from the same Schema Resource, you would use the fragment-only IRI
+`$anchor` from the same schema resource, you would use the fragment-only IRI
 `#foo`. See below for full examples.
 
 `$dynamicAnchor` defines a different kind of identifier that only has meaning