diff --git a/README.md b/README.md
index 54eac522..8c28ffaf 100644
--- a/README.md
+++ b/README.md
@@ -39,8 +39,8 @@ ocrmypdf                      # it's a scriptable command line program
 - Distributes work across all available CPU cores
 - Uses [Tesseract OCR](https://github.com/tesseract-ocr/tesseract) engine to recognize more than [100 languages](https://github.com/tesseract-ocr/tessdata)
 - Keeps your private data private.
-- Scales properly to handle files with thousands of pages
-- Battle-tested on millions of PDFs
+- Scales properly to handle files with thousands of pages.
+- Battle-tested on millions of PDFs.
 
 <img src="misc/screencast/demo.svg" alt="Demo of OCRmyPDF in a terminal session">
 
diff --git a/src/ocrmypdf/api.py b/src/ocrmypdf/api.py
index c731d25c..07191d96 100644
--- a/src/ocrmypdf/api.py
+++ b/src/ocrmypdf/api.py
@@ -241,6 +241,7 @@ def ocr(  # noqa: D417
     png_quality: int | None = None,
     jbig2_lossy: bool | None = None,
     jbig2_page_group_size: int | None = None,
+    jbig2_threshold: float | None = None,
     pages: str | None = None,
     max_image_mpixels: float | None = None,
     tesseract_config: Iterable[str] | None = None,
@@ -250,12 +251,16 @@ def ocr(  # noqa: D417
     pdf_renderer: str | None = None,
     tesseract_timeout: float | None = None,
     tesseract_non_ocr_timeout: float | None = None,
+    tesseract_downsample_above: int | None = None,
+    tesseract_downsample_large_images: bool | None = None,
     rotate_pages_threshold: float | None = None,
     pdfa_image_compression: str | None = None,
+    color_conversion_strategy: str | None = None,
     user_words: os.PathLike | None = None,
     user_patterns: os.PathLike | None = None,
     fast_web_view: float | None = None,
     continue_on_soft_render_error: bool | None = None,
+    invalidate_digital_signatures: bool | None = None,
     plugins: Iterable[StrPath] | None = None,
     plugin_manager=None,
     keep_temporary_files: bool | None = None,