docs/cmd-list: replace tabs with spaces

Tabs are bad. I'm guessing these docs were not originally written in
markdown.

Change-Id: I5bc173f04fd11395868c785011ee1bbc57f8ddbc

src/main/resources/Documentation/cmd-list.md

diff --git a/src/main/resources/Documentation/cmd-list.md b/src/main/resources/Documentation/cmd-list.md
index b6688e0..e815e08 100644
--- a/src/main/resources/Documentation/cmd-list.md
+++ b/src/main/resources/Documentation/cmd-list.md
@@ -30,15 +30,15 @@
 -------
 
 `--remote <PATTERN>`
-:	Only print information for destinations whose remote name matches
-	the `PATTERN`.
+: Only print information for destinations whose remote name matches
+the `PATTERN`.
 
 `--detail`
-:	Print additional detailed information: AdminUrl, AuthGroup, Project
-	and queue (pending and in-flight).
+: Print additional detailed information: AdminUrl, AuthGroup, Project
+and queue (pending and in-flight).
 
 `--json`
-:	Output in json format.
+: Output in json format.
 
 EXAMPLES
 --------