diff --git a/lib/std/sha1.nim b/lib/std/sha1.nim
index b18095ff61..c0b1bffcf8 100644
--- a/lib/std/sha1.nim
+++ b/lib/std/sha1.nim
@@ -7,6 +7,8 @@
 #    distribution, for details about the copyright.
 #
 
+## Note: Import ``std/sha1`` to use this module
+
 import strutils
 
 const Sha1DigestSize = 20