DOC: Fix typo in intro.txt
diff --git a/doc/intro.txt b/doc/intro.txt
index 0ee9fa2..4eaf18e 100644
--- a/doc/intro.txt
+++ b/doc/intro.txt
@@ -1071,7 +1071,7 @@
HAProxy provides very detailed logs, with millisecond accuracy and the exact
connection accept time that can be searched in firewalls logs (e.g. for NAT
-correlation). By default, TCP and HTTP logs are quite detailed an contain
+correlation). By default, TCP and HTTP logs are quite detailed and contain
everything needed for troubleshooting, such as source IP address and port,
frontend, backend, server, timers (request receipt duration, queue duration,
connection setup time, response headers time, data transfer time), global