diff --git a/src/rand.h b/src/rand.h
index 1e4880b..c41481a 100644
--- a/src/rand.h
+++ b/src/rand.h
@@ -36,7 +36,7 @@ xmpp_rand_t *xmpp_rand_new(xmpp_ctx_t *ctx);
  */
 void xmpp_rand_free(xmpp_ctx_t *ctx, xmpp_rand_t *rand);
 
-/** Generate random integer
+/** Generate random integer.
  *  Analogue of rand(3).
  *
  *  @ingroup Random