diff --git a/docs/sources/dashboards/time-range-controls.md b/docs/sources/dashboards/time-range-controls.md
index e9f4cedb266..0aa3d7208c0 100644
--- a/docs/sources/dashboards/time-range-controls.md
+++ b/docs/sources/dashboards/time-range-controls.md
@@ -7,7 +7,7 @@ weight = 7
 
 # Time range controls
 
-Grafana provides several ways to manage the time ranges of the data being visualized, both at the dashboard level and the panel level.
+Grafana provides several ways to manage the time ranges of the data being visualized, for dashboard, panels and also for alerting.
 
 This page describes supported time units and relative ranges, the common time controls, dashboard-wide time settings, and panel-specific time settings.
 
@@ -34,11 +34,18 @@ Here are some examples:
 | This Year              | `now/Y`     | `now/Y`     |
 | Previous fiscal year   | `now-1y/fy` | `now-1y/fy` |
 
+### Note about Grafana alerting
+
+For Grafana alerting, we do not support are the following syntaxes at this time.
+
+- now+n for future timestamps.
+- now-1n/n for "start of n until end of n" since this is an absolute timestamp.
+
 ## Common time range controls
 
 The dashboard and panel time controls have a common user interface (UI).
 
-<img class="no-shadow" src="/static/img/docs/time-range-controls/common-time-controls-8-2.png" max-width="700px">
+<img class="no-shadow" src="/static/img/docs/time-range-controls/common-time-controls-7-0.png" max-width="700px">
 
 The options are defined below.