Update cheatsheets

tldr/linux/nl

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # nl
 
 > Number lines from a file or from `stdin`.
-> More information: <https://manned.org/nl.1p>.
+> More information: <https://manned.org/man/nl>.
 
 - Number non-blank lines in a file:
 
@@ -16,26 +16,26 @@ source: https://github.com/tldr-pages/tldr.git
 
 `{{command}} | nl -`
 
-- Number [a]ll [b]ody lines including blank lines or do [n]ot number [b]ody lines:
+- Number [a]ll body lines including blank lines or do [n]ot number body lines:
 
-`nl --body-numbering {{a|n}} {{path/to/file}}`
+`nl {{[-b|--body-numbering]}} {{a|n}} {{path/to/file}}`
 
-- Number only the [b]ody lines that match a basic regular expression (BRE) [p]attern:
+- Number only the body lines that match a basic regular expression (BRE) [p]attern:
 
-`nl --body-numbering p'FooBar[0-9]' {{path/to/file}}`
+`nl {{[-b|--body-numbering]}} p'FooBar[0-9]' {{path/to/file}}`
 
-- Use a specific [i]ncrement for line numbering:
+- Use a specific increment for line numbering:
 
-`nl --line-increment {{increment}} {{path/to/file}}`
+`nl {{[-i|--line-increment]}} {{increment}} {{path/to/file}}`
 
 - Specify the line numbering format to [r]ight or [l]eft justified, keeping leading [z]eros or [n]ot:
 
-`nl --number-format {{rz|ln|rn}}`
+`nl {{[-n|--number-format]}} {{rz|ln|rn}}`
 
-- Specify the line numbering's [w]idth (6 by default):
+- Specify the line numbering's width (6 by default):
 
-`nl --number-width {{col_width}} {{path/to/file}}`
+`nl {{[-w|--number-width]}} {{col_width}} {{path/to/file}}`
 
-- Use a specific string to [s]eparate the line numbers from the lines (TAB by default):
+- Use a specific string to separate the line numbers from the lines (TAB by default):
 
-`nl --number-separator {{separator}} {{path/to/file}}`
+`nl {{[-s|--number-separator]}} {{separator}} {{path/to/file}}`