pages: fix typo (#11934)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/finch.md

@@ -9,24 +9,24 @@
 
 - Quit:
 
-`alt + q OR ctrl + c`
+`<Alt> + q OR <Ctrl> + c`
 
 - Show actions menu:
 
-`alt + a`
+`<Alt> + a`
 
 - Jump to n-th window:
 
-`alt + {{number_key}}`
+`<Alt> + {{number_key}}`
 
 - Close current window:
 
-`alt + c`
+`<Alt> + c`
 
 - Start moving a window, use arrow keys to move, press escape when done:
 
-`alt + m`
+`<Alt> + m`
 
 - Start resizing a window, use arrow keys to resize, press escape when done:
 
-`alt + r`
+`<Alt> + r`