badwords: fix issues found in scripts and other files

Single pass, not enforced.

Also:
- pyspelling.words: drop `web page`

Closes #19572

scripts/cd2nroff

@@ -55,10 +55,10 @@ while(@ARGV) {
         print <<HELP
 Usage: cd2nroff [options] [file.md]
 
--d <dir> Write the output to the file name from the meta-data in the
+-d <dir> Write the output to the filename from the meta-data in the
          specified directory, instead of writing to stdout
 -e <ext> If -d is used, this option can provide an added "extension", arbitrary
-         text really, to append to the file name.
+         text really, to append to the filename.
 -h       This help text,
 -v       Show version then exit
 HELP
@@ -373,7 +373,7 @@ sub single {
     my $blankline = 0;
     my $header = 0;
 
-    # cut off the leading path from the file name, if any
+    # cut off the leading path from the filename, if any
     $f =~ s/^(.*[\\\/])//;
 
     push @desc, ".\\\" generated by cd2nroff $cd2nroff from $f\n";
@@ -515,7 +515,7 @@ sub single {
             $blankline++;
         }
         else {
-            # don't output newlines if this is the first content after a
+            # do not output newlines if this is the first content after a
             # header
             push @desc, "\n" if($blankline && !$header);
             $blankline = 0;