diff --git a/README.md b/README.md
index b5355d6..3364144 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Python library to share data anonymously and securely* with limited traffic meta
 
 In normal socket connections, Eve can see when Alex and Bob communicate and the size of their communications.
 
-This library sends continuous streams of data even when no information is being communicated, in order to increase unobservability of transmission times and packet sizes.
+This library sends continuous streams of data (null bytes) even when no information is being communicated, in order to increase unobservability of transmission times and packet sizes.
 
 Anonymity and encryption is provided via Tor onion services, though this library could easily be adapted to use plaintext (and encryption by an application) or another relay like I2P.