diff --git a/awx/ui/templates/ui/index.html b/awx/ui/templates/ui/index.html
index 99e5829ef4..3fdd01e82b 100644
--- a/awx/ui/templates/ui/index.html
+++ b/awx/ui/templates/ui/index.html
@@ -200,7 +200,8 @@
             <div style="padding-bottom:15px;">For facts collected older than the time period specified,
                     save one fact scan (snapshot) per time window (granularity).
                     For example, facts older than 30 days are purged, while one
-                    weekly fact scan is kept.<br></div>
+                    weekly fact scan is kept.<br>
+                    Caution: Setting both numerical variables to "0" will delete all facts.<br></div>
                 <div class="form-group ">
                     <label for="description">
     		                  <span class="label-text">