diff --git a/Doc/library/secrets.rst b/Doc/library/secrets.rst
index 1401a925103517..75dafc54d40ca5 100644
--- a/Doc/library/secrets.rst
+++ b/Doc/library/secrets.rst
@@ -52,7 +52,7 @@ randomness that your operating system provides.
 
 .. function:: randbits(k)
 
-   Return an int with *k* random bits.
+   Return a non-negative int with *k* random bits.
 
 
 Generating tokens