Fix a typo in the analysis server's status page

pkg/analysis_server/lib/src/get_handler.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library get.handler;
 
 import 'dart:io';
 
 import 'package:analyzer/src/generated/engine.dart';
 
@@ skipping 72 matching lines @@
         _writeRow(response, [
             '<a href="#context_$key">$key</a>',
             errorCount,
             flushedCount,
             inProcessCount,
             invalidCount,
             validCount]);
       });
       response.write('</table>');
       _server.analysisServer.contextMap.forEach((String key, AnalysisContext context) {
-        response.write('<h2><a name="context_$key">Analysis Context: $key}</a></h2>');
+        response.write('<h2><a name="context_$key">Analysis Context: $key</a></h2>');
         AnalysisContentStatistics statistics = (context as AnalysisContextImpl).statistics;
         response.write('<table>');
         _writeRow(
             response,
             ['Item', 'ERROR', 'FLUSHED', 'IN_PROCESS', 'INVALID', 'VALID'],
             true);
         statistics.cacheRows.forEach((AnalysisContentStatistics_CacheRow row) {
           _writeRow(
               response,
               [row.name,
@@ skipping 46 matching lines @@
       response.write(value);
       response.write('</td>');
     });
     if (header) {
       response.write('</th>');
     } else {
       response.write('</tr>');
     }
   }
 }