diff --git a/change-case/change-case.d.ts b/change-case/change-case.d.ts
index e61d70de6..22c165286 100644
--- a/change-case/change-case.d.ts
+++ b/change-case/change-case.d.ts
@@ -4,34 +4,36 @@
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 declare module "change-case" {
-    function dot(s: string): string;
-    function dotCase(s: string): string;
-    function swap(s: string): string;
-    function swapCase(s: string): string;
-    function path(s: string): string;
-    function pathCase(s: string): string;
-    function upper(s: string): string;
-    function upperCase(s: string): string;
-    function lower(s: string): string;
-    function lowerCase(s: string): string;
     function camel(s: string): string;
     function camelCase(s: string): string;
-    function snake(s: string): string;
-    function snakeCase(s: string): string;
-    function title(s: string): string;
-    function titleCase(s: string): string;
+    function constant(s: string): string;
+    function constantCase(s: string): string;
+    function dot(s: string): string;
+    function dotCase(s: string): string;
+    function isLower(s: string): boolean;
+    function isLowerCase(s: string): boolean;
+    function isUpper(s: string): boolean;
+    function isUpperCase(s: string): boolean;
+    function lcFirst(s: string): string;
+    function lower(s: string): string;
+    function lowerCase(s: string): string;
+    function lowerCaseFirst(s: string): string;
     function param(s: string): string;
     function paramCase(s: string): string;
     function pascal(s: string): string;
     function pascalCase(s: string): string;
-    function constant(s: string): string;
-    function constantCase(s: string): string;
+    function path(s: string): string;
+    function pathCase(s: string): string;
     function sentence(s: string): string;
     function sentenceCase(s: string): string;
-    function isUpper(s: string): boolean;
-    function isUpperCase(s: string): boolean;
-    function isLower(s: string): boolean;
-    function isLowerCase(s: string): boolean;
+    function snake(s: string): string;
+    function snakeCase(s: string): string;
+    function swap(s: string): string;
+    function swapCase(s: string): string;
+    function title(s: string): string;
+    function titleCase(s: string): string;
     function ucFirst(s: string): string;
+    function upper(s: string): string;
+    function upperCase(s: string): string;
     function upperCaseFirst(s: string): string;
 }