Fix typo

src/services/services.ts

@@ -1408,7 +1408,7 @@ namespace ts {
                         //
                         // Each LS has a reference to file 'foo.ts' at version 1.  LS2 then updates
                         // it's version of 'foo.ts' to version 2.  This will cause LS2 and the
-                        // DocumentRegistry to have version 2 of the document.  HOwever, LS1 will
+                        // DocumentRegistry to have version 2 of the document.  However, LS1 will
                         // have version 1.  And *importantly* this source file will be *corrupt*.
                         // The act of creating version 2 of the file irrevocably damages the version
                         // 1 file.
@@ -1451,7 +1451,7 @@ namespace ts {
 
         function dispose(): void {
             if (program) {
-                // Use paths to ensure we are using correct key and paths as document registry could bre created with different current directory than host
+                // Use paths to ensure we are using correct key and paths as document registry could be created with different current directory than host
                 const key = documentRegistry.getKeyForCompilationSettings(program.getCompilerOptions());
                 forEach(program.getSourceFiles(), f =>
                     documentRegistry.releaseDocumentWithKey(f.resolvedPath, key));