docs: typo

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 7d5d6c4990c9b83539fc02d888a8ab72d3d04191..8faa78dceb0db155439c5523e948bd3d45cb29d7 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -29788,7 +29788,7 @@ The behaviour of both client and server can be configured using the options
 &%tls_alpn%& and &%hosts_require_alpn%&.
 There are no variables providing observability.
 Some feature-specific logging may appear on denied connections, but this
 &%tls_alpn%& and &%hosts_require_alpn%&.
 There are no variables providing observability.
 Some feature-specific logging may appear on denied connections, but this

-depends on the behavious of the peer
+depends on the behaviour of the peer

 (not all peers can send a feature-specific TLS Alert).
 
 This feature is available when Exim is built with
 (not all peers can send a feature-specific TLS Alert).
 
 This feature is available when Exim is built with