Update rfcs/0190-queue-change-task-run-priority.md

Co-authored-by: Ben Hearsum (he/him) <[email protected]>

Author: lotas

rfcs/0190-queue-change-task-run-priority.md

@@ -66,7 +66,7 @@ This RFC proposes to change the priority only, and leave the insertion time as i
 
 ### Other considerations
 
-To insure that Chain of Trust validation is not affected, we aim to keep the original task definition
+To ensure that Chain of Trust validation is not affected, we aim to keep the original task definition
 and store the new priority in a separate column.
 
 ## Implementation