diff --git a/README.md b/README.md
index 99b5769..2069f38 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ Fortunately, every added bit doubles the amount of entropy passwords, so 64 bits
 | 1       | 32 bits          | 0.048 seconds                                 | Stuff you want to be super easy to crack? |
 | 2       | 64 bits          | 6.5 years                                     | Web accounts, WiFi passwords              |
 | 3       | 96 bits          | 280 million years                             | Almost anything                           |
-| 4       | 128 bits         | billions of times the age of the universe | Encryption keys                           |
+| 4       | 128 bits         | billions of times the age of the universe | Toppest-secret stuff, e.g. encryption keys                           |
 
 \* = based on 45 billions guesses per second.