runtime(doc): reformat ada_standard_types section

closes: #15759

Signed-off-by: hokorobi <hokorobi.hokorobi@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/ft_ada.txt b/runtime/doc/ft_ada.txt
index 35dd534..983c80c 100644
--- a/runtime/doc/ft_ada.txt
+++ b/runtime/doc/ft_ada.txt
@@ -1,4 +1,4 @@
-*ft_ada.txt*	For Vim version 9.1.  Last change: 2022 Mar 13
+*ft_ada.txt*	For Vim version 9.1.  Last change: 2024 Sep 29
 
 
 		    ADA FILE TYPE PLUG-INS REFERENCE MANUAL~
@@ -48,14 +48,12 @@
 There are several options you can select in this Ada mode. See |ft-ada-options|
 for a complete list.
 
-To enable them, assign a value to the option.  For example, to turn one on:
- >
-    > let g:ada_standard_types = 1
->
-To disable them use ":unlet".  Example:
->
-    > unlet g:ada_standard_types
-
+To enable them, assign a value to the option.  For example, to turn one on: >
+	let g:ada_standard_types = 1
+<
+To disable them use ":unlet".  Example: >
+	unlet g:ada_standard_types
+<
 You can just use ":" and type these into the command line to set these
 temporarily before loading an Ada file.  You can make these option settings
 permanent by adding the "let" command(s), without a colon, to your "~/.vimrc"