DOC-4643 Fix bucket_admin multiple buckets example

Change-Id: I7842bd16d39d795695e3378cc31f2033418b0b13
Reviewed-on: http://review.couchbase.org/c/couchbase-cli/+/146299
Well-Formed: Build Bot <build@couchbase.com>
Reviewed-by: James Lee <james.lee@couchbase.com>
Tested-by: Carlos Gonzalez <carlos.gonzalez@couchbase.com>

Author: Carlos Gonzalez Betancort

docs/generated/doc/couchbase-cli/couchbase-cli-user-manage.html

@@ -596,7 +596,7 @@ <h3 id="_roles">ROLES</h3>
 bucket_admin[*]. To give the user permission to manage bucket settings on a
 single bucket named <em>default</em> then specify the role as
 bucket_admin[default]. If the user needs to be manage multiple buckets, for
-example <em>default</em> and <em>app</em>, then set the role as bucket[default],bucket[app].</p>
+example <em>default</em> and <em>app</em>, then set the role as bucket_admin[default],bucket_admin[app].</p>
 </dd>
 <dt class="hdlist1">cluster_admin</dt>
 <dd>

docs/generated/man/man1/couchbase-cli-user-manage.1

@@ -2,12 +2,12 @@
 .\"     Title: couchbase-cli-user-manage
 .\"    Author: Couchbase
 .\" Generator: Asciidoctor 2.0.10
-.\"      Date: 2019-11-26
+.\"      Date: 2021-02-17
 .\"    Manual: Couchbase CLI Manual
 .\"    Source: Couchbase CLI 1.0.0
 .\"  Language: English
 .\"
-.TH "COUCHBASE\-CLI\-USER\-MANAGE" "1" "2019-11-26" "Couchbase CLI 1.0.0" "Couchbase CLI Manual"
+.TH "COUCHBASE\-CLI\-USER\-MANAGE" "1" "2021-02-17" "Couchbase CLI 1.0.0" "Couchbase CLI Manual"
 .ie \n(.g .ds Aq \(aq
 .el       .ds Aq '
 .ss \n[.ss] 0
@@ -191,7 +191,7 @@ a user the ability to manage all bucket settings set their role to
 bucket_admin[*]. To give the user permission to manage bucket settings on a
 single bucket named \fIdefault\fP then specify the role as
 bucket_admin[default]. If the user needs to be manage multiple buckets, for
-example \fIdefault\fP and \fIapp\fP, then set the role as bucket[default],bucket[app].
+example \fIdefault\fP and \fIapp\fP, then set the role as bucket_admin[default],bucket_admin[app].
 .RE
 .sp
 cluster_admin

docs/modules/cli/pages/cbcli/couchbase-cli-user-manage.adoc

@@ -88,7 +88,7 @@ bucket_admin[...]::
   bucket_admin[*]. To give the user permission to manage bucket settings on a
   single bucket named _default_ then specify the role as
   bucket_admin[default]. If the user needs to be manage multiple buckets, for
-  example _default_ and _app_, then set the role as bucket[default],bucket[app].
+  example _default_ and _app_, then set the role as bucket_admin[default],bucket_admin[app].
 
 cluster_admin::
   Gives the user permissions to read, write and manage all cluster-level