MAINT: Modify comments of filters (#3426)

Author: j-t-1

pypdf/filters.py

@@ -27,9 +27,10 @@
 
 
 """
-Implementation of stream filters for PDF.
+Implementation of stream filters; §7.4 Filters of the PDF 2.0 specification.
 
-See TABLE H.1 Abbreviations for standard filter names
+§8.9.7 Inline images of the PDF 2.0 specification has abbreviations that can be
+used for the names of filters in an inline image object.
 """
 __author__ = "Mathieu Fenniak"
 __author_email__ = "[email protected]"
@@ -525,13 +526,12 @@ def decode(
 
         Args:
           data: text to decode.
-          decode_parms: a dictionary of parameter values.
+          decode_parms: this filter does not use parameters.
 
         Returns:
           decoded data.
 
         """
-        # decode_parms: this filter does not use parameters
         return data