diff --git a/src/libsodium/include/sodium/randombytes_salsa20_random.h b/src/libsodium/include/sodium/randombytes_salsa20_random.h
index 46d38c54..e6d291c5 100644
--- a/src/libsodium/include/sodium/randombytes_salsa20_random.h
+++ b/src/libsodium/include/sodium/randombytes_salsa20_random.h
@@ -4,8 +4,9 @@
 
 /*
  * THREAD SAFETY: randombytes_salsa20_random*() functions are
- * fork()-safe but not thread-safe.
- * Always wrap them in a mutex if you need thread safety.
+ * not thread-safe.
+ * Always wrap them in a mutex if you need thread safety,
+ * and call randombytes_stir() after fork()ing.
  */
 
 #include <stddef.h>