diff --git a/docs/api-output.md b/docs/api-output.md
index c25aca90..8f60f1e7 100644
--- a/docs/api-output.md
+++ b/docs/api-output.md
@@ -147,8 +147,9 @@ const data = await sharp(input)
     }
   })
   .toBuffer();
+```
 
- * @example
+```javascript
 // Set output metadata to 96 DPI
 const data = await sharp(input)
   .withMetadata({ density: 96 })
@@ -534,8 +535,6 @@ Use tile-based deep zoom (image pyramid) output.
 Set the format and options for tile images via the `toFormat`, `jpeg`, `png` or `webp` functions.
 Use a `.zip` or `.szi` file extension with `toFile` to write to a compressed archive file format.
 
-Warning: multiple sharp instances concurrently producing tile output can expose a possible race condition in some versions of libgsf.
-
 ### Parameters
 
 *   `options` **[Object][6]?** 
diff --git a/lib/output.js b/lib/output.js
index cb7e451a..3926932c 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -168,7 +168,7 @@ function toBuffer (options, callback) {
  *   })
  *   .toBuffer();
  *
- *  * @example
+ * @example
  * // Set output metadata to 96 DPI
  * const data = await sharp(input)
  *   .withMetadata({ density: 96 })
@@ -911,8 +911,6 @@ function raw (options) {
  * Set the format and options for tile images via the `toFormat`, `jpeg`, `png` or `webp` functions.
  * Use a `.zip` or `.szi` file extension with `toFile` to write to a compressed archive file format.
  *
- * Warning: multiple sharp instances concurrently producing tile output can expose a possible race condition in some versions of libgsf.
- *
  * @example
  *  sharp('input.tiff')
  *   .png()