wiki: Fix indentation in install guide

Change-Id: I3ad8cb2f1dd3c414d5acb29561b478cbae83bcb3

Author: Inhishonor

_includes/templates/device_install.md

@@ -147,11 +147,11 @@ There are no recovery installation instructions for this discontinued device.
     ```
 {%- endif %}
 {%- if current_branch >= 20 and device.is_ab_device %}
-        {% include alerts/specific/tip_ab_reboot_recovery.html %}
+    {% include alerts/specific/tip_ab_reboot_recovery.html %}
 {%- endif %}
 {%- if device.has_no_usb %}
 {%- else %}
-        {% include alerts/specific/tip_adb_flash_success.html %}
+    {% include alerts/specific/tip_adb_flash_success.html %}
 {%- endif %}
 {%- endif %}