Update corporate-membership.md

Co-authored-by: Jamie Thompson <bishbashboshjt@gmail.com>

Author: anatoliykmetyuk

corporate-membership.md

@@ -39,7 +39,7 @@ Advisory Board Membership dues are paid annually.
 
 Organizations that are unable to join at the above levels may consider making a
 contribution totalling 1,500CHF or more. With this contribution, you will be
-recognized as a Backer-level donor alongside other Advisory Board membrers on the Scala Center homepage.
+recognized as a Backer-level donor alongside other Advisory Board members on the Scala Center homepage.
 
 ### Benefits