diff --git a/doc/protocol.xml b/doc/protocol.xml
index ac78ab8ae..69bbc3b2f 100644
--- a/doc/protocol.xml
+++ b/doc/protocol.xml
@@ -66,7 +66,7 @@
strcpy just fine with UTF-8 encoded
strings. For example: OK encoded in
UTF-8 is simply OK. For more
- information on UTF=8:
+ information on UTF-8:
http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8)