diff --git a/README b/README
index 4681a92..a1e31ab 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-This is a small portable (and slow) implementation of AES128 in C.
+This is a small portable (and slow?) implementation of AES128 in C.
 
 AES128 ECB is symmetric, so you use the same function for encrypting and decrypting.