Fix two typos

Author: krassowski

packages/jupyterlab-lsp/schema/syntax_highlighting.json

@@ -9,7 +9,7 @@
       "title": "Threshold of foreign code coverage for changing the mode in an editor",
       "type": "number",
       "default": 0.5,
-      "description": "If a code editor includes a code fragment in another language (for example a %%markdown magic in IPython) with appropriate foreign code extractor defined , and the extend of this code (coverage of the editor) passes the threshold, the syntax highlighting (i.e. the mode) will change to provide highlighting for the language of the foreign code."
+      "description": "If a code editor includes a code fragment in another language (for example a %%markdown magic in IPython) with appropriate foreign code extractor defined, and the extend of this code (coverage of the editor) passes the threshold, the syntax highlighting (i.e. the mode) will change to provide highlighting for the language of the foreign code."
     }
   },
   "jupyter.lab.shortcuts": []

packages/jupyterlab-lsp/src/components/statusbar.tsx

@@ -489,7 +489,7 @@ export namespace LSPStatus {
           server => server.spec.languages.indexOf(language) !== -1
         );
         if (servers.length > 1) {
-          console.warn('More than one server per language for' + language);
+          console.warn('More than one server per language for', language);
         }
         if (servers.length === 0) {
           continue;