Update vac/raw/mix.md

Co-authored-by: kaiserd <[email protected]>

vac/raw/mix.md

@@ -40,7 +40,7 @@ libp2p protocols do not inherently protect sender identities.
 The Mix protocol enhances anonymity in libp2p by implementing a mix network,
 where messages are anonymized through multiple relay nodes before reaching the
 intended recipient. The Sphinx packet format is a well-researched component which this specification leverages to
-achieving this, offering strong anonymity properties by concealing sender and
+offer strong anonymity properties by concealing sender and
 recipient information at each relay.
 
 Using this approach, even the nodes relaying messages cannot determine the