diff --git a/codemirror/codemirror-showhint.d.ts b/codemirror/codemirror-showhint.d.ts
index 8ab50c0900..48a904a3bb 100644
--- a/codemirror/codemirror-showhint.d.ts
+++ b/codemirror/codemirror-showhint.d.ts
@@ -6,7 +6,7 @@
 // See docs https://codemirror.net/doc/manual.html#addon_show-hint
 
 declare module CodeMirror {
-    var commands : any;
+    var commands: any;
 
     /** Provides a framework for showing autocompletion hints. Defines editor.showHint, which takes an optional
     options object, and pops up a widget that allows the user to select a completion. Finding hints is done with
@@ -14,13 +14,12 @@ declare module CodeMirror {
     and return a {list, from, to} object, where list is an array of strings or objects (the completions), and
     from and to give the start and end of the token that is being completed as {line, ch} objects. An optional
     selectedHint property (an integer) can be added to the completion object to control the initially selected hint. */
-    function showHint (cm: CodeMirror.Doc, hinter?: (doc : CodeMirror.Doc) => Hints, options?: ShowHintOptions) : void;
-
+    function showHint(cm: CodeMirror.Doc, hinter?: (doc: CodeMirror.Doc) => Hints, options?: ShowHintOptions): void;
 
     interface Hints {
         from: Position;
         to: Position;
-        list: Hint[] | string[];
+        list: (Hint | string)[];
     }
 
     /** Interface used by showHint.js Codemirror add-on
@@ -38,8 +37,8 @@ declare module CodeMirror {
 
     interface Editor {
         /** An extension of the existing CodeMirror typings for the Editor.on("keyup", func) syntax */
-        on(eventName: string, handler: (doc: CodeMirror.Doc, event : any ) => void ): void;
-        off(eventName: string, handler: (doc: CodeMirror.Doc, event : any) => void ): void;
+        on(eventName: string, handler: (doc: CodeMirror.Doc, event: any) => void): void;
+        off(eventName: string, handler: (doc: CodeMirror.Doc, event: any) => void): void;
     }
 
     /** Extend CodeMirror.Doc with a state object, so that the Doc.state.completionActive property is reachable*/
@@ -50,7 +49,7 @@ declare module CodeMirror {
 
     interface ShowHintOptions {
         completeSingle: boolean;
-        hint: (doc : CodeMirror.Doc) => Hints;
+        hint: (doc: CodeMirror.Doc) => Hints;
     }
 
     /** The Handle used to interact with the autocomplete dialog box.*/
@@ -63,7 +62,7 @@ declare module CodeMirror {
         pick(): void;
         data: any;
     }
-    
+
     interface EditorConfiguration {
         showHint?: boolean;
         hintOptions?: ShowHintOptions;