(DOCSP-20660): Backport DOCSP-20617 to v1.21. (#656)

Author: corryroot

source/configure.txt

@@ -39,7 +39,7 @@ To configure the {+mcli+}:
 
      |svc-api-key|\s are role-based. Different roles have different
      privileges and capabilities, and some {+mcli+} commands are available
-     to some roles but not others. Be sure that the roles assisgned to
+     to some roles but not others. Be sure that the roles assigned to
      your |svc-api-key| are appropriate for the commands you intend to
      use.