Fix comment typo in SolrConfig.

solr/core/src/java/org/apache/solr/core/SolrConfig.java

@@ -382,7 +382,7 @@ public class SolrConfig extends Config implements MapSerializable {
   {
     // non-static setMaxClauseCount because the test framework sometimes reverts the value on us and
     // the static setting above is only executed once.  This re-sets the value every time a SolrConfig
-    // obect is created. See SOLR-10921
+    // object is created. See SOLR-10921
     BooleanQuery.setMaxClauseCount(Integer.MAX_VALUE-1);
   }