diff --git a/examples/sha1-hashes/sha1-hashes.go b/examples/sha1-hashes/sha1-hashes.go
index cda5591..bf753eb 100644
--- a/examples/sha1-hashes/sha1-hashes.go
+++ b/examples/sha1-hashes/sha1-hashes.go
@@ -8,7 +8,7 @@
 package main
 
 // Go implements several hash functions in various
-// `crtypo/*` packages.
+// `crypto/*` packages.
 import "crypto/sha1"
 import "encoding/hex"
 import "fmt"