diff --git a/WINGs_tutorial/WINGstep3.html b/WINGs_tutorial/WINGstep3.html
index f0be0eb..cc1f1f4 100644
--- a/WINGs_tutorial/WINGstep3.html
+++ b/WINGs_tutorial/WINGstep3.html
@@ -8,7 +8,7 @@
 </head>
 
 <body>
-<table align="JUSTIFY" width="100%"><tbody><tr><td align="LEFT"><a href="WINGStep2.html">LAST: Step 2 Processing Events</a></td><td align="CENTER"><a href="WINGtoc.html">Contents</a></td><td align="RIGHT"><a href="WINGsRemark.html">NEXT: Programming Details</a></td></tr></tbody></table>
+<table align="JUSTIFY" width="100%"><tbody><tr><td align="LEFT"><a href="WINGstep2.html">LAST: Step 2 Processing Events</a></td><td align="CENTER"><a href="WINGtoc.html">Contents</a></td><td align="RIGHT"><a href="WINGsRemark.html">NEXT: Programming Details</a></td></tr></tbody></table>
 
 <h4>Step 3: Adding widgets to a window</h4>
 
@@ -140,4 +140,4 @@ In <code>main</code>:
 </p><table align="JUSTIFY" width="100%"><tbody><tr><td align="LEFT"><a href="WINGStep2.html">LAST: Step 2 Processing Events</a></td><td align="CENTER"><a href="WINGtoc.html">Contents</a></td><td align="RIGHT"><a href="WINGsRemark.html">NEXT: Programming Details</a></td></tr></tbody></table>
 
 
-</body><style type="text/css">embed[type*="application/x-shockwave-flash"],embed[src*=".swf"],object[type*="application/x-shockwave-flash"],object[codetype*="application/x-shockwave-flash"],object[src*=".swf"],object[codebase*="swflash.cab"],object[classid*="D27CDB6E-AE6D-11cf-96B8-444553540000"],object[classid*="d27cdb6e-ae6d-11cf-96b8-444553540000"],object[classid*="D27CDB6E-AE6D-11cf-96B8-444553540000"]{	display: none !important;}</style></html>
\ No newline at end of file
+</body><style type="text/css">embed[type*="application/x-shockwave-flash"],embed[src*=".swf"],object[type*="application/x-shockwave-flash"],object[codetype*="application/x-shockwave-flash"],object[src*=".swf"],object[codebase*="swflash.cab"],object[classid*="D27CDB6E-AE6D-11cf-96B8-444553540000"],object[classid*="d27cdb6e-ae6d-11cf-96b8-444553540000"],object[classid*="D27CDB6E-AE6D-11cf-96B8-444553540000"]{	display: none !important;}</style></html>
