CLEANUP: Fix typos in the cli subsystem

Fixes typos in the code comments of the cli subsystem.
diff --git a/src/cli.c b/src/cli.c
index 43dc8b3..b99270d 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -548,7 +548,7 @@
 	if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
 		goto out;
 
-	/* Check if the input buffer is avalaible. */
+	/* Check if the input buffer is available. */
 	if (res->buf.size == 0) {
 		/* buf.size==0 means we failed to get a buffer and were
 		 * already subscribed to a wait list to get a buffer.
@@ -2092,7 +2092,7 @@
 
 		/* We must trim any excess data from the response buffer, because we
 		 * may have blocked an invalid response from a server that we don't
-		 * want to accidentely forward once we disable the analysers, nor do
+		 * want to accidently forward once we disable the analysers, nor do
 		 * we want those data to come along with next response. A typical
 		 * example of such data would be from a buggy server responding to
 		 * a HEAD with some data, or sending more than the advertised