Update cheatsheets

tldr/feh

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # feh
 
 > Lightweight image viewing utility.
-> More information: <https://feh.finalrewind.org>.
+> More information: <https://man.finalrewind.org/1/feh/>.
 
 - View images locally or using a URL:
 
@@ -14,11 +14,11 @@ source: https://github.com/tldr-pages/tldr.git
 
 - View images recursively:
 
-`feh --recursive {{path/to/images}}`
+`feh {{[-r|--recursive]}} {{path/to/images}}`
 
 - View images without window borders:
 
-`feh --borderless {{path/to/images}}`
+`feh {{[-x|--borderless]}} {{path/to/images}}`
 
 - Set the behavior when reaching the beginning or end of the image list:
 
@@ -26,7 +26,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Use a specific slideshow cycle delay:
 
-`feh --slideshow-delay {{seconds}} {{path/to/images}}`
+`feh {{[-D|--slideshow-delay]}} {{seconds}} {{path/to/images}}`
 
 - Use a specific wallpaper mode (centered, filled, maximized, scaled or tiled):
 
@@ -34,4 +34,4 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Create a montage of all images within a directory, outputting as a new image:
 
-`feh --montage --thumb-height {{150}} --thumb-width {{150}} --index-info "{{%nn%wx%h}}" --output {{path/to/montage_image.png}}`
+`feh {{[-m|--montage]}} {{[-E|--thumb-height]}} {{150}} {{[-y|--thumb-width]}} {{150}} --index-info "{{%nn%wx%h}}" {{[-o|--output]}} {{path/to/montage_image.png}}`