fix minor typos

src/pypdfium2/_helpers/document.py

@@ -584,7 +584,7 @@ def render(
             Removed the original process pool implementation and turned this into a wrapper for linear rendering, due to the serious conceptual issues and possible memory load escalation, especially with expensive receiving code (e.g. PNG encoding) or long documents.
         """
 
-        warnings.warn("The document-level pdf.render() API is deprecated and uncored due to serious issues in the original concept. Use page.render() and a caller-side loop or process pool.", category=DeprecationWarning)
+        warnings.warn("The document-level pdf.render() API is deprecated and uncored due to serious issues in the original concept. Use page.render() and a caller-side loop or process pool instead.", category=DeprecationWarning)
 
         if not page_indices:
             page_indices = [i for i in range(len(self))]

src/pypdfium2/_helpers/page.py

@@ -443,7 +443,7 @@ def render(
 
 
 def _auto_bitmap_format(fill_color, grayscale, prefer_bgrx):
-    # TODO(apibreak) we'd like to also use BGRA if FPDFPage_HasTransparency(page) is True for performance reasons (see [1]), but this may break caller format expectations, and would make format selection document-dependant
+    # TODO(apibreak) we'd like to also use BGRA if FPDFPage_HasTransparency(page) is True for performance reasons (see [1]), but this may break caller format expectations, and would make format selection document-dependent
     # [1]: https://chromium.googlesource.com/chromium/src/+/21e456b92bfadc625c947c718a6c4c5bf0c4c61b
     if (fill_color[3] < 255):
         return pdfium_c.FPDFBitmap_BGRA