Fix the tw snippet key

core/cubes/snippets/org-mode/tw

@@ -1,10 +1,10 @@
 # -*- mode: snippet -*-
 # contributor: lxsameer <lxsameer@gnu.org>
 # name: to write block
-# key: tba
+# key: tw
 # Adds a TOWRITE block to org file. Your exporter has to
 # know how to deal with this block. For example for latex you need
-# to include this header `#+LATEX_HEADER: \newenvironment{\TOWRITE}{...}`
+# to include this header `#+LATEX_HEADER: \newenvironment{\TOWRITE}{...}{...}`
 # --
 #+BEGIN_TOWRITE
 $0