diff --git a/octoprint_CalibrationTools/templates/tabs/tab-doc.jinja2 b/octoprint_CalibrationTools/templates/tabs/tab-doc.jinja2
index 38278fd..4e38b05 100644
--- a/octoprint_CalibrationTools/templates/tabs/tab-doc.jinja2
+++ b/octoprint_CalibrationTools/templates/tabs/tab-doc.jinja2
@@ -20,7 +20,7 @@ You will have to:
 {{ snipped.subSection("X-Y-Z Steps") }}
 You will have to:
 <lu>
-    <li>Print a <a href="https://www.thingiverse.com/thing:1278865" target="_blank">test cube</a> with a known size on all three axes X,Y,X;</li>
+    <li>Print a <a href="https://www.thingiverse.com/thing:1278865" target="_blank">test cube</a> with a known size on all three axes X,Y,Z;</li>
     <li>Refresh the current values from EEPROM;</li>
     <li>Feed data collected in E-Steps tab and save the results in EEPROM;</li>
 </lu>