Fix "forcably" comment typo

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 33c270a..8f0b1ba 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -976,7 +976,7 @@
 EXPORT_SYMBOL_GPL(bus_get_device_klist);
 
 /*
- * Yes, this forcably breaks the klist abstraction temporarily.  It
+ * Yes, this forcibly breaks the klist abstraction temporarily.  It
  * just wants to sort the klist, not change reference counts and
  * take/drop locks rapidly in the process.  It does all this while
  * holding the lock for the list, so objects can't otherwise be