Update intro_doc_conventions_tech.md

Author: natsampson

source_files/intro_doc_conventions_tech.md

@@ -28,7 +28,7 @@ code snippet - use icon on the far right to copy me
 
 Throughout this guide, you'll find labels indicating the plan(s) to which each feature belongs.
 
-**Core Features →** &nbsp;&nbsp;<img src="images/button_edition_essential.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_professional.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_enterprise.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_multistream.png" width="125”>
+**Core Features →** &nbsp;&nbsp;<img src="images/button_edition_essential.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_professional.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_enterprise.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_multistream.png" width="125">
 <br><br>
 **Industry Add-Ons →** &nbsp;&nbsp;<img src="images/button_edition_media.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_life_science.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_eda.png" width="125">&nbsp;&nbsp;<img src="images/button_edition_energy.png" width="125">