mutool: update page (#10223)

* mutool: update page

* Apply suggestions from code review

* Update mutool.md

pages/common/mutool.md

@@ -1,28 +1,28 @@
 # mutool
 
 > Convert PDF files, query information and extract data.
-> More information: <https://mupdf.com/docs>.
+> More information: <https://mupdf.readthedocs.io/en/latest/mupdf-command-line.html>.
 
-- Convert pages 1-10 into 10 PNGs:
+- Convert pages 1-10 into 10 PNGs (Note: `%nd` in the output placeholder must be replaced with a print modifier like `%d` or `%2d`):
 
-`mutool convert -o {{image%d.png}} {{file.pdf}} {{1-10}}`
+`mutool convert -o {{path/to/output%nd.png}} {{path/to/input.pdf}} {{1-10}}`
 
 - Convert pages 2, 3 and 5 of a PDF into text in the standard output:
 
-`mutool draw -F {{txt}} {{file.pdf}} {{2,3,5}}`
+`mutool draw -F {{txt}} {{path/to/input.pdf}} {{2,3,5}}`
 
-- Concatenate two PDFs:
+- Concatenate multiple PDF files:
 
-`mutool merge -o {{output.pdf}} {{input1.pdf}} {{input2.pdf}}`
+`mutool merge -o {{path/to/output.pdf}} {{path/to/input1.pdf path/to/input2.pdf ...}}`
 
 - Query information about all content embedded in a PDF:
 
-`mutool info {{input.pdf}}`
+`mutool info {{path/to/input.pdf}}`
 
 - Extract all images, fonts and resources embedded in a PDF out into the current directory:
 
-`mutool extract {{input.pdf}}`
+`mutool extract {{path/to/input.pdf}}`
 
 - Print the outline (table of contents) of a PDF:
 
-`mutool show {{input.pdf}} outline`
+`mutool show {{path/to/input.pdf}} outline`