pages*: make help and version commands comply with the style guide (#12107)

* pages*: use generic word for help

* git: add newline to the end

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

* pages*: make help and version commands comply with the style guide

* java: fix Java name

---------

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

pages/linux/pi.md

@@ -11,6 +11,10 @@
 
 `pi {{number}}`
 
+- Display recommended readings:
+
+`pi --bibliography`
+
 - Display help:
 
 `pi --help`
@@ -18,7 +22,3 @@
 - Display version:
 
 `pi --version`
-
-- Display recommended readings:
-
-`pi --bibliography`