diff --git a/src/services/services.ts b/src/services/services.ts
index ef25fae7bba..995e27c02ca 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -1542,68 +1542,74 @@ namespace ts {
         export const unknown = "";
         export const warning = "warning";
 
-        // predefined type (void) or keyword (class)
+        /** predefined type (void) or keyword (class) */
         export const keyword = "keyword";
 
-        // top level script node
+        /** top level script node */
         export const scriptElement = "script";
 
-        // module foo {}
+        /** module foo {} */
         export const moduleElement = "module";
 
-        // class X {}
+        /** class X {} */
         export const classElement = "class";
 
-        // var x = class X {}
+        /** var x = class X {} */
         export const localClassElement = "local class";
 
-        // interface Y {}
+        /** interface Y {} */
         export const interfaceElement = "interface";
 
-        // type T = ...
+        /** type T = ... */
         export const typeElement = "type";
 
-        // enum E
+        /** enum E */
         export const enumElement = "enum";
 
-        // Inside module and script only
-        // const v = ..
+        /**
+         * Inside module and script only
+         * const v = ..
+         */
         export const variableElement = "var";
 
-        // Inside function
+        /** Inside function */
         export const localVariableElement = "local var";
 
-        // Inside module and script only
-        // function f() { }
+        /**
+         * Inside module and script only
+         * function f() { }
+         */
         export const functionElement = "function";
 
-        // Inside function
+        /** Inside function */
         export const localFunctionElement = "local function";
 
-        // class X { [public|private]* foo() {} }
+        /** class X { [public|private]* foo() {} } */
         export const memberFunctionElement = "method";
 
-        // class X { [public|private]* [get|set] foo:number; }
+        /** class X { [public|private]* [get|set] foo:number; } */
         export const memberGetAccessorElement = "getter";
         export const memberSetAccessorElement = "setter";
 
-        // class X { [public|private]* foo:number; }
-        // interface Y { foo:number; }
+        /**
+         * class X { [public|private]* foo:number; }
+         * interface Y { foo:number; }
+         */
         export const memberVariableElement = "property";
 
-        // class X { constructor() { } }
+        /** class X { constructor() { } } */
         export const constructorImplementationElement = "constructor";
 
-        // interface Y { ():number; }
+        /** interface Y { ():number; } */
         export const callSignatureElement = "call";
 
-        // interface Y { []:number; }
+        /** interface Y { []:number; } */
         export const indexSignatureElement = "index";
 
-        // interface Y { new():Y; }
+        /** interface Y { new():Y; } */
         export const constructSignatureElement = "construct";
 
-        // function foo(*Y*: string)
+        /** function foo(*Y*: string) */
         export const parameterElement = "parameter";
 
         export const typeParameterElement = "type parameter";