diff --git a/sha1/index.d.ts b/sha1/index.d.ts
index 0e35adf8dd..c792f7d585 100644
--- a/sha1/index.d.ts
+++ b/sha1/index.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for sha1 v1.1.1
 // Project: https://github.com/pvorb/node-sha1
-// Definitions adapted from md5 definitions by: Bill Sourour <https://github.com/arcdev1>
+// Definitions by: Bill Sourour <https://github.com/arcdev1>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="node" />