[DOC] Some more documentation cleanups

Since the last documentation cleanups, I've found more typos that I kept
in a corner instead of sending you a mail just for one character :)

--
Cyril Bonté
diff --git a/src/proto_uxst.c b/src/proto_uxst.c
index 980df43..91b3944 100644
--- a/src/proto_uxst.c
+++ b/src/proto_uxst.c
@@ -427,7 +427,7 @@
 		}
 
 		if (fcntl(cfd, F_SETFL, O_NONBLOCK) == -1) {
-			Alert("accept(): cannot set the socket in non blocking mode. Giving up\n");
+			Alert("accept(): cannot set the socket in non blocking mode. Giving up.\n");
 			goto out_free_task;
 		}