CLEANUP: assorted typo fixes in the code and comments

This is 15th iteration of typo fixes
diff --git a/src/proto_quic.c b/src/proto_quic.c
index 8b3e91b..fa36ba7 100644
--- a/src/proto_quic.c
+++ b/src/proto_quic.c
@@ -574,7 +574,7 @@
 static void quic_enable_listener(struct listener *l)
 {
 	/* FIXME: The following statements are incorrect. This
-	 * is the responsability of the QUIC xprt to stop accepting new
+	 * is the responsibility of the QUIC xprt to stop accepting new
 	 * connections.
 	 */
 	if (fd_updt)
@@ -587,7 +587,7 @@
 static void quic_disable_listener(struct listener *l)
 {
 	/* FIXME: The following statements are incorrect. This
-	 * is the responsability of the QUIC xprt to start accepting new
+	 * is the responsibility of the QUIC xprt to start accepting new
 	 * connections again.
 	 */
 	if (fd_updt)