SF # 572928 One word change for lib/libgettext.tex

Fix typo.

Doc/lib/libgettext.tex

@@ -448,7 +448,7 @@ lang3.install()
 
 \subsubsection{Deferred translations}
 
-In most coding situations, strings are translated were they are coded.
+In most coding situations, strings are translated where they are coded.
 Occasionally however, you need to mark strings for translation, but
 defer actual translation until later.  A classic example is: