diff --git a/docs/api-input.md b/docs/api-input.md
index c1ff16cea..44a4e8397 100644
--- a/docs/api-input.md
+++ b/docs/api-input.md
@@ -42,7 +42,7 @@ A `Promise` is returned when `callback` is not provided.
 - `xmp`: Buffer containing raw XMP data, if present
 - `tifftagPhotoshop`: Buffer containing raw TIFFTAG_PHOTOSHOP data, if present
 - `formatMagick`: String containing format for images loaded via *magick
-- `comments`:  Array of keyword/text pairs representing PNG text blocks, if present.
+- `comments`: Array of keyword/text pairs representing PNG text blocks, if present.
 
 
 
diff --git a/docs/changelog.md b/docs/changelog.md
index 3850f50ab..ab5c4d37a 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -20,6 +20,10 @@ Requires libvips v8.15.2
   [#4147](https://github.com/lovell/sharp/pull/4147)
   [@ton11797](https://github.com/ton11797)
 
+* Expose PNG text chunks as `comments` metadata.
+  [#4157](https://github.com/lovell/sharp/pull/4157)
+  [@nkeynes](https://github.com/nkeynes)
+
 ### v0.33.4 - 16th May 2024
 
 * Remove experimental status from `pipelineColourspace`.
diff --git a/docs/humans.txt b/docs/humans.txt
index 1c9cd1ceb..489e4a886 100644
--- a/docs/humans.txt
+++ b/docs/humans.txt
@@ -299,3 +299,6 @@ GitHub: https://github.com/project0
 
 Name: Pongsatorn Manusopit
 GitHub: https://github.com/ton11797
+
+Name: Nathan Keynes
+GitHub: https://github.com/nkeynes
diff --git a/lib/input.js b/lib/input.js
index ae3eb9430..93d4e7411 100644
--- a/lib/input.js
+++ b/lib/input.js
@@ -450,7 +450,7 @@ function _isStreamInput () {
  * - `xmp`: Buffer containing raw XMP data, if present
  * - `tifftagPhotoshop`: Buffer containing raw TIFFTAG_PHOTOSHOP data, if present
  * - `formatMagick`: String containing format for images loaded via *magick
- * - `comments` Array of keyword/text pairs representing PNG text blocks, if present.
+ * - `comments`: Array of keyword/text pairs representing PNG text blocks, if present.
  *
  * @example
  * const metadata = await sharp(input).metadata();