Update documentation

library/windows/win_user

@@ -37,7 +37,7 @@ options:
     aliases: []
   password:
     description:
-      - Password for the user
+      - Password for the user (plain text)
     required: true
     default: null
     aliases: []
@@ -54,6 +54,10 @@ author: Paul Durivage
 '''
 
 EXAMPLES = '''
+# Ad-hoc example
+$ ansible -i hosts -m win_user -a "name=bob password=Password12345" all
+$ ansible -i hosts -m win_user -a "name=bob password=Password12345 state=absent" all
+
 # Playbook example
 ---
 - name: Add a user
@@ -64,5 +68,4 @@ EXAMPLES = '''
       win_user:
         name: ansible
         password: "@ns1bl3"
-        state: present
 '''