Update CHANGELOG and README

Author: maribedran

CHANGES.rst

@@ -18,6 +18,9 @@ Change log
 - Removed ``typing_extensions`` as a dependency, as it's no longer required with
   having Python 3.9+ as a requirement.
 
+- Only allow high error correction rate (`qrcode.ERROR_CORRECT_H`) when generating
+  QR codes with embedded images to ensure content is readable
+
 .. _Poetry: https://python-poetry.org
 .. _ruff: https://astral.sh/ruff
 

README.rst

@@ -227,7 +227,7 @@ and an embedded image:
     from qrcode.image.styles.moduledrawers.pil import RoundedModuleDrawer
     from qrcode.image.styles.colormasks import RadialGradiantColorMask
 
-    qr = qrcode.QRCode(error_correction=qrcode.constants.ERROR_CORRECT_L)
+    qr = qrcode.QRCode(error_correction=qrcode.constants.ERROR_CORRECT_H)
     qr.add_data('Some data')
 
     img_1 = qr.make_image(image_factory=StyledPilImage, module_drawer=RoundedModuleDrawer())