diff --git a/src/server/protocol.d.ts b/src/server/protocol.d.ts
index f857595069d..6df5b420243 100644
--- a/src/server/protocol.d.ts
+++ b/src/server/protocol.d.ts
@@ -88,7 +88,7 @@ declare module ts.server.protocol {
     }
 
     /** 
-      * Arguments for ProjectInfo messages.
+      * Arguments for ProjectInfoResponse messages.
       */
     export interface ProjectInfoRequestArgs {
         /**
@@ -104,7 +104,7 @@ declare module ts.server.protocol {
     /** 
       * Response message for "projectInfo" request
       */
-    export interface ProjectInfo {
+    export interface ProjectInfoResponse {
         configFileName: string;
         fileNameList?: string[];
     }
diff --git a/src/server/session.ts b/src/server/session.ts
index 4a779be0787..621edd35f4f 100644
--- a/src/server/session.ts
+++ b/src/server/session.ts
@@ -76,30 +76,30 @@ module ts.server {
     }
 
     export module CommandNames {
-        export var Brace = "brace";
-        export var Change = "change";
-        export var Close = "close";
-        export var Completions = "completions";
-        export var CompletionDetails = "completionEntryDetails";
-        export var Configure = "configure";
-        export var Definition = "definition";
-        export var Exit = "exit";
-        export var Format = "format";
-        export var Formatonkey = "formatonkey";
-        export var Geterr = "geterr";
-        export var NavBar = "navbar";
-        export var Navto = "navto";
-        export var Occurrences = "occurrences";
-        export var Open = "open";
-        export var Quickinfo = "quickinfo";
-        export var References = "references";
-        export var Reload = "reload";
-        export var Rename = "rename";
-        export var Saveto = "saveto";
-        export var SignatureHelp = "signatureHelp";
-        export var TypeDefinition = "typeDefinition";
-        export var ProjectInfo = "projectInfo";
-        export var Unknown = "unknown";
+        export const Brace = "brace";
+        export const Change = "change";
+        export const Close = "close";
+        export const Completions = "completions";
+        export const CompletionDetails = "completionEntryDetails";
+        export const Configure = "configure";
+        export const Definition = "definition";
+        export const Exit = "exit";
+        export const Format = "format";
+        export const Formatonkey = "formatonkey";
+        export const Geterr = "geterr";
+        export const NavBar = "navbar";
+        export const Navto = "navto";
+        export const Occurrences = "occurrences";
+        export const Open = "open";
+        export const Quickinfo = "quickinfo";
+        export const References = "references";
+        export const Reload = "reload";
+        export const Rename = "rename";
+        export const Saveto = "saveto";
+        export const SignatureHelp = "signatureHelp";
+        export const TypeDefinition = "typeDefinition";
+        export const ProjectInfo = "projectInfo";
+        export const Unknown = "unknown";
     }
 
     module Errors { 
@@ -339,18 +339,18 @@ module ts.server {
             });
         }
 
-        getProjectInfo(fileName: string, needFileNameList: boolean): protocol.ProjectInfo {
+        getProjectInfo(fileName: string, needFileNameList: boolean): protocol.ProjectInfoResponse {
             fileName = ts.normalizePath(fileName)
             let project = this.projectService.getProjectForFile(fileName)
 
-            let projectInfo: protocol.ProjectInfo = {
+            let projectInfoResponse: protocol.ProjectInfoResponse = {
                 configFileName: project.projectFilename
             }
 
             if (needFileNameList) {
-                projectInfo.fileNameList = project.getFileNameList();
+                projectInfoResponse.fileNameList = project.getFileNameList();
             }
-            return projectInfo;
+            return projectInfoResponse;
         }
 
         getRenameLocations(line: number, offset: number, fileName: string,findInComments: boolean, findInStrings: boolean): protocol.RenameResponseBody {