diff --git a/calibration.html b/calibration.html
index e32be60..9786331 100644
--- a/calibration.html
+++ b/calibration.html
@@ -47,8 +47,8 @@
         <div class="warning">
             <h2>Warning - Read carefully!</h2>
             <p>Every attempt has been made to ensure this is safe but ultimately there always is risk in running pre-sliced gcode from the internet. Preview the gcode in your slicer or <a href="http://gcode.ws/" target="_blank">Gcode.ws</a> and <span style="color:red; font-weight: bolder;">print at your own risk.</span></p>
-            <p>Only print this gcode when you are present, alert and capable of stopping the printer in case of emergency.</p>
-            <p>Validation has been built into the forms to only allow sensible min and max values, however this is not foolproof.</p>
+            <p>Only print this gcode when you are present, alert, and capable of stopping the printer in case of emergency.</p>
+            <p>Validation has been built into the forms to only allow sensible min and max values; however this is not foolproof.</p>
             <p>The gcode generated by this page has the following general characteristics:</p>
             <ul>
                 <li>0.2mm layer height</li>
@@ -58,7 +58,7 @@
                 <li>Nozzle priming has been turned off to avoid bed clips or problems with deltas</li>
                 <li>A single layer skirt (except on the acceleration test)</li>
             </ul>
-            <p>To be compatible, your printer should have a miniumum bed size of 100 x 100mm. The largest print is 85x 95 x 30mm.</p>
+            <p>To be compatible, your printer should have a minimum bed size of 100 x 100mm. The largest print is 85x 95 x 30mm.</p>
         </div>
     </div>