[O] [PATCH] typo fix in ob-core.el

[Zhaocong Jia]

I noticed this typo while I was reading the docs,
so I post the fix here.


--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -207,7 +207,7 @@
 (defun org-babel--get-vars (params)
   "Return the babel variable assignments in PARAMS.

-PARAMS is a quasi-alist of header args, whcih may contain
+PARAMS is a quasi-alist of header args, which may contain
 multiple entries for the key `:var'.  This function returns a
 list of the cdr of all the `:var' entries."
   (mapcar #'cdr