global marker is in another buffer.
If the global marker isn't set, set the global marker at point in the current
buffer. Otherwise jump to the global marker position and cancel it.
-With prefix argument, don't jump to global mark when cancelling it."
+With prefix argument, don't jump to global mark when canceling it."
(interactive "P")
(unless cua--global-mark-initialized
(cua--init-global-mark))