diff --git a/keygen/README.md b/keygen/README.md
index ab770c912..d2a5bce54 100644
--- a/keygen/README.md
+++ b/keygen/README.md
@@ -7,7 +7,7 @@ A command-line utility to generate an API key for [Tinode server](../server/)
  * `sequence`: Sequential number of the API key. This value can be used to reject previously issued keys.
  * `isroot`: Currently unused. Intended to designate key of a system administrator.
  * `validate`: Key to validate: check previously issued key for validity.
- * `salt`: [HMAC](https://en.wikipedia.org/wiki/HMAC) salt, 32 random bytes base64 encoded; must be present for key validation; optional when generating the key: if missing, a cryptographically-strong salt will be automatically generated.
+ * `salt`: [HMAC](https://en.wikipedia.org/wiki/HMAC) salt, 32 random bytes base64 standard encoded; must be present for key validation; optional when generating the key: if missing, a cryptographically-strong salt will be automatically generated.
 
 
 ## Usage