diff --git a/images/config_s3_reference.jpg b/images/config_s3_reference.jpg
new file mode 100644
index 00000000..f2b4666a
Binary files /dev/null and b/images/config_s3_reference.jpg differ
diff --git a/images/config_s4_alignment.jpg b/images/config_s4_alignment.jpg
new file mode 100644
index 00000000..7813337f
Binary files /dev/null and b/images/config_s4_alignment.jpg differ
diff --git a/images/config_s5_ROIs.jpg b/images/config_s5_ROIs.jpg
new file mode 100644
index 00000000..f830f655
Binary files /dev/null and b/images/config_s5_ROIs.jpg differ
diff --git a/images/config_s6_check.jpg b/images/config_s6_check.jpg
new file mode 100644
index 00000000..ad10c127
Binary files /dev/null and b/images/config_s6_check.jpg differ
diff --git a/sd-card/html/edit_reference.html b/sd-card/html/edit_reference.html
index d18162cd..a15b57aa 100644
--- a/sd-card/html/edit_reference.html
+++ b/sd-card/html/edit_reference.html
@@ -11,7 +11,7 @@
         <table>
             <tr>
                 <td>
-                    <input type="button" value="Show acutual Reference" onclick="showReference()">          
+                    <input type="button" value="Show actual Reference" onclick="showReference()">          
                 </td>
                 <td>
                     <input type="button" value="Create new Reference" onclick="loadRawImage()">