fix(core): Fix typo in comment

Signed-off-by: Ingo Bürk <ingo.buerk@tngtech.com>

Author: Airblader

projects/ngqp/core/src/lib/directives/query-param-group.service.ts

@@ -293,7 +293,7 @@ export class QueryParamGroupService implements OnDestroy {
             ? {} : queryParam.combineWith(value);
 
         // Note that we list the side-effect parameters first so that our actual parameter can't be
-        // overriden by it.
+        // overridden by it.
         return {
             ...(combinedParams || {}),
             [ queryParam.urlParam ]: newValue,