diff --git a/README.adoc b/README.adoc
index 61a06ec..a8f06de 100644
--- a/README.adoc
+++ b/README.adoc
@@ -8,7 +8,7 @@ Stream sockets are used as message passing channels. A single server can listen
 
 Messages use a simple wire protocol, where the first 8 bytes of the message specify the length of the rest of the message (unsigned, big endian).
 
-The payload of the message is provided by the user. Serialisation format etc. is left to user's choice.
+The payload of the message is provided by the user. Serialization format etc. is left to user's choice.
 
 == Getting started