diff --git a/cplusplus/include/vips/VImage8.h b/cplusplus/include/vips/VImage8.h
index 022b6954..f947c51e 100644
--- a/cplusplus/include/vips/VImage8.h
+++ b/cplusplus/include/vips/VImage8.h
@@ -3051,7 +3051,7 @@ static VImage gifload_source( VSource source, VOption *options = 0 );
  *   - **effort** -- Quantisation effort, int.
  *   - **bitdepth** -- Number of bits per pixel, int.
  *   - **interframe_maxerror** -- Maximum inter-frame error for transparency, double.
- *   - **reoptimise** -- Reoptimise colour palettes, bool.
+ *   - **reuse** -- Reuse palette from input, bool.
  *   - **interpalette_maxerror** -- Maximum inter-palette error for palette reusage, double.
  *   - **interlace** -- Generate an interlaced (progressive) GIF, bool.
  *   - **strip** -- Strip all metadata from image, bool.
@@ -3071,7 +3071,7 @@ void gifsave( const char *filename, VOption *options = 0 ) const;
  *   - **effort** -- Quantisation effort, int.
  *   - **bitdepth** -- Number of bits per pixel, int.
  *   - **interframe_maxerror** -- Maximum inter-frame error for transparency, double.
- *   - **reoptimise** -- Reoptimise colour palettes, bool.
+ *   - **reuse** -- Reuse palette from input, bool.
  *   - **interpalette_maxerror** -- Maximum inter-palette error for palette reusage, double.
  *   - **interlace** -- Generate an interlaced (progressive) GIF, bool.
  *   - **strip** -- Strip all metadata from image, bool.
@@ -3091,7 +3091,7 @@ VipsBlob *gifsave_buffer( VOption *options = 0 ) const;
  *   - **effort** -- Quantisation effort, int.
  *   - **bitdepth** -- Number of bits per pixel, int.
  *   - **interframe_maxerror** -- Maximum inter-frame error for transparency, double.
- *   - **reoptimise** -- Reoptimise colour palettes, bool.
+ *   - **reuse** -- Reuse palette from input, bool.
  *   - **interpalette_maxerror** -- Maximum inter-palette error for palette reusage, double.
  *   - **interlace** -- Generate an interlaced (progressive) GIF, bool.
  *   - **strip** -- Strip all metadata from image, bool.
@@ -3217,6 +3217,7 @@ static VImage heifload_source( VSource source, VOption *options = 0 );
  *   - **compression** -- Compression format, VipsForeignHeifCompression.
  *   - **effort** -- CPU effort, int.
  *   - **subsample_mode** -- Select chroma subsample operation mode, VipsForeignSubsample.
+ *   - **encoder** -- Select encoder to use, VipsForeignHeifEncoder.
  *   - **strip** -- Strip all metadata from image, bool.
  *   - **background** -- Background value, std::vector<double>.
  *   - **page_height** -- Set page height for multipage save, int.
@@ -3236,6 +3237,7 @@ void heifsave( const char *filename, VOption *options = 0 ) const;
  *   - **compression** -- Compression format, VipsForeignHeifCompression.
  *   - **effort** -- CPU effort, int.
  *   - **subsample_mode** -- Select chroma subsample operation mode, VipsForeignSubsample.
+ *   - **encoder** -- Select encoder to use, VipsForeignHeifEncoder.
  *   - **strip** -- Strip all metadata from image, bool.
  *   - **background** -- Background value, std::vector<double>.
  *   - **page_height** -- Set page height for multipage save, int.
@@ -3255,6 +3257,7 @@ VipsBlob *heifsave_buffer( VOption *options = 0 ) const;
  *   - **compression** -- Compression format, VipsForeignHeifCompression.
  *   - **effort** -- CPU effort, int.
  *   - **subsample_mode** -- Select chroma subsample operation mode, VipsForeignSubsample.
+ *   - **encoder** -- Select encoder to use, VipsForeignHeifEncoder.
  *   - **strip** -- Strip all metadata from image, bool.
  *   - **background** -- Background value, std::vector<double>.
  *   - **page_height** -- Set page height for multipage save, int.
diff --git a/doc/Making-image-pyramids.xml b/doc/Making-image-pyramids.xml
index 5c848f16..bcaf6909 100644
--- a/doc/Making-image-pyramids.xml
+++ b/doc/Making-image-pyramids.xml
@@ -32,7 +32,7 @@ optional arguments:
    basename     - Base name to save to, input gchararray
    layout       - Directory layout, input VipsForeignDzLayout
             default: dz
-            allowed: dz, zoomify, google
+            allowed: dz, zoomify, google, iiif, iiif3
    suffix       - Filename suffix for tiles, input gchararray
    overlap      - Tile overlap in pixels, input gint
             default: 1