diff --git a/nodes/core/io/25-serial.html b/nodes/core/io/25-serial.html
index d62ece356..546252351 100644
--- a/nodes/core/io/25-serial.html
+++ b/nodes/core/io/25-serial.html
@@ -153,7 +153,7 @@
     <div class="form-row">
         <label for="node-config-input-addchar">&nbsp;</label>
         <select type="text" id="node-config-input-addchar" style="width: 70%;">
-            <option value="false">Dont add 'New Line' to serial output</option>
+            <option value="false">Don't add 'New Line' to serial output</option>
             <option value="true">Add 'New line' to serial output message</option>
         </select>
     </div>