Update 01-Ultracortex-Mark-IV.md

Headware/01-Ultracortex-Mark-IV.md

@@ -9,7 +9,7 @@
 
 The Ultracortex is an open-source, 3D-printable headset intended to work with the [OpenBCI system](http://openbci.com/). It is capable of recording research-grade brain activity (EEG). The Ultracortex is under constant iteration. If you print/assemble your own Ultracortex, we would love to hear your feedback. Send us an email at [contact@openbci.com](mailto:contact@openbci.com) or Tweet at us ([@Ultracortex](https://twitter.com/Ultracortex) & [@OpenBCI](https://twitter.com/OpenBCI))!
 
-[Step-by-step Assembly Tutorial](https://youtu.be/S87FV-Q59F8)
+[Step-by-step Assembly Tutorial Video](https://youtu.be/S87FV-Q59F8)
 
 Designers & Engineers: