fixed small typos for subexes docs

todo.txt

@@ -1,7 +1,6 @@
 version 0.8.14
 ==============
 
-- document subexes; i18n module
 - GC should care about interior pointers on the stack
 - BUG: type TX = TTable[string, int]
 - warning for implicit openArray -> varargs conversion
@@ -35,7 +34,6 @@ version 0.9.0
   changes that people want; may turn out to be a bad idea
 - activate more thread tests
 
-
 Bugs
 ----
 - bug: generic assign still buggy
@@ -94,7 +92,7 @@ Library
 
 - wrappers for poppler; libharu
 - suffix trees
-- locale support
+- locale support; i18n module
 - bignums
 
 - pdcurses bindings