diff --git a/octoprint_estop/static/css/estop.css b/octoprint_estop/static/css/estop.css
index 43f72df..68f0399 100644
--- a/octoprint_estop/static/css/estop.css
+++ b/octoprint_estop/static/css/estop.css
@@ -76,4 +76,11 @@
 }
 #sidebar_plugin_estop {
     display: block !important;
+}
+.estop-warning-icon {
+    color: #eb0000;
+    font-size: 2em !important;
+}
+.estop-warning {
+    font-style: italic;
 }
\ No newline at end of file
diff --git a/octoprint_estop/templates/estop_settings.jinja2 b/octoprint_estop/templates/estop_settings.jinja2
index 5118e1d..3a208e6 100644
--- a/octoprint_estop/templates/estop_settings.jinja2
+++ b/octoprint_estop/templates/estop_settings.jinja2
@@ -17,4 +17,6 @@
             </div>
         </div>
     </form>
+    <span class="fa fa-exclamation-triangle estop-warning-icon"> </span>
+    <span class="estop-warning">A software emergency stop button is no substitute for a proper emergency stop button that physically cuts the power to the printer. How the printer responds to emergency stop commands, and connection cycling, will depend entirely on the printer's controller board and firmware. Never leave a printer unattended for extended periods of time.</span>
 </div>