libtiff: Fix typos in comments

From 29b5947f3405f6b9ba2a4beb4d61cc03f2a5e321 Mon Sep 17 00:00:00 2001
From: Even Rouault <[EMAIL REDACTED]>
Date: Sun, 8 May 2022 21:02:02 +0200
Subject: [PATCH] Fix typos in comments

---
 libtiff/tif_close.c   | 2 +-
 libtiff/tif_dirinfo.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libtiff/tif_close.c b/libtiff/tif_close.c
index d886964f..04977bc7 100644
--- a/libtiff/tif_close.c
+++ b/libtiff/tif_close.c
@@ -82,7 +82,7 @@ TIFFCleanup(TIFF* tif)
 			TIFFField *fld = tif->tif_fields[i];
 			if (fld->field_name != NULL) {
 				if (fld->field_bit == FIELD_CUSTOM &&
-					/* catuion: tif_fields[i] must not be the beginning of a fields-array.
+					/* caution: tif_fields[i] must not be the beginning of a fields-array.
 					 *          Otherwise the following tags are also freed with the first free().
 					 */
 					TIFFFieldIsAnonymous(fld)) {
diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
index 2f9efc6d..fa23276a 100644
--- a/libtiff/tif_dirinfo.c
+++ b/libtiff/tif_dirinfo.c
@@ -424,7 +424,7 @@ _TIFFSetupFields(TIFF* tif, const TIFFFieldArray* fieldarray)
 				if (fld->field_bit == FIELD_CUSTOM &&
 					TIFFFieldIsAnonymous(fld)) {
 					_TIFFfree(fld->field_name);
-					/* catuion: tif_fields[i] must not be the beginning of a fields-array. 
+					/* caution: tif_fields[i] must not be the beginning of a fields-array. 
 					 *          Otherwise the following tags are also freed with the first free().
 					 */
 					_TIFFfree(fld);