@@ -488,7 +488,7 @@ header when requesting a document from a URL:
489`--shift-heading-level-by=`*NUMBER*
489`--shift-heading-level-by=`*NUMBER*
491− Shift heading levels by a positive or negative integer.
491+: Shift heading levels by a positive or negative integer.
492 For example, with `--shift-heading-level-by=-1`, level 2
492 For example, with `--shift-heading-level-by=-1`, level 2
493 headings become level 1 headings, and level 3 headings
493 headings become level 1 headings, and level 3 headings
494 become level 2 headings. Headings cannot have a level
494 become level 2 headings. Headings cannot have a level