diff --git a/doc/api/crypto.md b/doc/api/crypto.md
index 5fff5d7c0683f0..d5e98bd1ebdd50 100644
--- a/doc/api/crypto.md
+++ b/doc/api/crypto.md
@@ -4732,7 +4732,8 @@ added: v15.6.0
     **Default:** `false`.
 * Returns: {string}
 
-Generates a random [RFC 4122][] Version 4 UUID.
+Generates a random [RFC 4122][] Version 4 UUID. The UUID is generated using a
+cryptographic pseudorandom number generator.
 
 ### `crypto.scrypt(password, salt, keylen[, options], callback)`
 <!-- YAML