diff --git a/atom/atom.d.ts b/atom/atom.d.ts
index 8cbde4d55..0c50c62f6 100644
--- a/atom/atom.d.ts
+++ b/atom/atom.d.ts
@@ -15,7 +15,7 @@
 // if js file include to another npm package (e.g. "space-pen", "mixto" and "emissary").
 // you should create a separate file.
 
-// NOTE Document? You should use DevTools hehe...
+// API documentation : https://atom.io/docs/api/v0.106.0/api/docs/README.md.html
 
 interface Window {
 	atom: AtomCore.IAtom;
@@ -1010,7 +1010,14 @@ declare module AtomCore {
 	interface IAtomStatic extends ISerializationStatic<IAtom> {
 		version: number;
 		loadSettings: IAtomSettings;
-		loadOrCreate(mode:string):IAtom;
+		
+        /* Load or create the Atom environment in the given mode */
+        loadOrCreate(mode:'editor'):IAtom;
+        /* Load or create the Atom environment in the given mode */
+        loadOrCreate(mode:'spec'):IAtom;
+        /* Load or create the Atom environment in the given mode */
+        loadOrCreate(mode:string):IAtom;
+        
 		loadState(mode:any):void;
 		getStatePath(mode:any):string;
 		getConfigDirPath():string;
@@ -1023,7 +1030,9 @@ declare module AtomCore {
 		new(state:IAtomState):IAtom;
 	}
 
-	interface IAtom {
+    // https://atom.io/docs/api/v0.106.0/api/classes/Atom.html
+	/* Global Atom class : instance members */
+    interface IAtom {
 		constructor:IAtomStatic;
 
 		state:IAtomState;