diff --git a/src/octoprint/templates/dialogs/settings/serialconnection.jinja2 b/src/octoprint/templates/dialogs/settings/serialconnection.jinja2
index 663c0cb8..c2b57a45 100644
--- a/src/octoprint/templates/dialogs/settings/serialconnection.jinja2
+++ b/src/octoprint/templates/dialogs/settings/serialconnection.jinja2
@@ -145,7 +145,7 @@
                 <label class="control-label" for="settings-serialAutoUppercaseBlacklist">{{ _('Terminal Auto Uppercase Blacklist') }}</label>
                 <div class="controls">
                     <input type="text" class="input-block-level" id="settings-serialAutoUppercaseBlacklist" data-bind="value: serial_autoUppercaseBlacklist">
-                    <span class="help-inline">{{ _('Use this to specify the commands that should not have their parameters automatically uppercased in the terminal tab. Comma seperated list.') }}</span>
+                    <span class="help-inline">{{ _('Use this to specify the commands that should not have their parameters automatically uppercased in the terminal tab. Just the G or M code, comma separated.') }}</span>
                 </div>
             </div>
             <div class="controls">