diff --git a/README.md b/README.md
index 835dfbd..576ea1f 100644
--- a/README.md
+++ b/README.md
@@ -1406,7 +1406,7 @@ which will halt execution.
   string.
 - `sha256_file(path)` - Return the SHA-256 hash of the file at `path` as a
   hexadecimal string.
-- `uuid()` - Return a randomly generated UUID.
+- `uuid()` - Generate a random version 4 UUID.
 
 #### Semantic Versions