diff --git a/README.md b/README.md
index f58c6aa..a9047fb 100644
--- a/README.md
+++ b/README.md
@@ -25,9 +25,10 @@ or copy at http://opensource.org/licenses/MIT)
 - to use API names sticking with those of the SQLite library
 - to be well maintained
 
-It is designed with the Resource Acquisition Is Initialization (RAII) idom
+It is designed using the Resource Acquisition Is Initialization (RAII) idom
 (see http://en.wikipedia.org/wiki/Resource_Acquisition_Is_Initialization),
-and throw exceptions in case of SQLite errors.
+and throwing exceptions in case of SQLite errors (exept in destructors,
+where assert() are used instead).
 Each SQLiteC++ object must be constructed with a valid SQLite database connection,
 and then is always valid until destroyed.
 
@@ -44,12 +45,12 @@ And following IDEs/Compilers
 
 ### Depandancies:
 
- - a STL implementation (even an old one like VC6/eVC4 should work)
+ - a STL implementation (even an old one, like those provided with VC6/eVC4 should work)
  - exception support (the class Exception inherit from std::runtime_error)
  - the SQLite library, either by linking to it dynamicaly or staticaly,
    or by adding its source file in your project code base (source code provided in src/sqlite3).
 
-To use it in your project, you only need to add the 6 SQLiteC++ source files
+To use it in your project, you only need to add the 10 SQLiteC++ source files
 in your project code base (not the main.cpp example file).
 
 ## Getting started
diff --git a/TODO.txt b/TODO.txt
index a98ea35..50c8a70 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -1,5 +1,15 @@
 Add a comparison of others C++ wrappers (code style, C++ design, in code documentation, tests, online documentation, examples, license, UTF-16) 
 
+C++11 explicit support
+
+Adding an encapsulation to the statement ref counter
+
+Using (optionnal) assert() on errors in destructors
+
+copyright 2013
+
+=> V0.5.0
+
 Missing features in v0.4.0:
 - Blob
 - getColumnByName ? std::map getRow() ?
@@ -8,15 +18,14 @@ Missing documentation in v0.4.0:
 - Help for the new helper functions
 
 Advanced missing features:
+- :memory: : use the "zVfs" (last) parameter of sqlite3_open_v2() to give access to the ":memory:" VFS module
+- backup support to/from :memory:
 - batch mode managing multiple queries semicolon separated ? 
 - Function ?
 - Agregate ?
-
 - support for different transaction mode ? NO: too specific
 - operator<< binding ? NO: redundant with bind()
-
 - ATTACH Database ? NO: can already be done by "ATTACH" Statement
-- :memory: ? NO: can already be done by Database constructor with ":memory:" filename
 
 Add a full test suite