diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2fbf772..7df32e7 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,14 @@
 Release History
 ===============
 
+0.6.9 (2017-03-10)
+------------------
+
+* introduces some type hints (PEP 484);
+* more tests for the generators and for the tools module;
+* updated descriptions of generators;
+* fixed a bug with a generator that has been previously renamed.
+
 0.6.8 (2017-03-08)
 ------------------
 
diff --git a/docs/conf.py b/docs/conf.py
index 2709397..2623d4a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -50,7 +50,7 @@ copyright = u'2012-2017, Cédric Bonhomme'
 # The short X.Y version.
 version = '0.6'
 # The full version, including alpha/beta/rc tags.
-release = '0.6.8'
+release = '0.6.9'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/software.rst b/docs/software.rst
index e3bf1eb..4fe70d4 100644
--- a/docs/software.rst
+++ b/docs/software.rst
@@ -90,42 +90,67 @@ Sets are used in order to select the pixels where the message will be hidden.
 
     # List all available generators
     $ lsb-set list-generators
-    OEIS_A000217
-        http://oeis.org/A000217
-        Triangular numbers: a(n) = C(n+1,2) = n(n+1)/2 = 0+1+2+...+n.
-
-    ackermann
+    Generator id:
+        ackermann
+    Desciption:
         Ackermann number.
 
-    carmichael
-        https://oeis.org/A002997
+    Generator id:
+        carmichael
+    Desciption:
         Composite numbers n such that a^(n-1) == 1 (mod n) for every a coprime to n.
+        https://oeis.org/A002997
 
-    eratosthenes
-        Generate the prime numbers with the sieve of Eratosthenes.
-
-    composite
+    Generator id:
+        composite
+    Desciption:
         Generate the composite numbers using the sieve of Eratosthenes.
+        https://oeis.org/A002808
 
-    fermat
+    Generator id:
+        eratosthenes
+    Desciption:
+        Generate the prime numbers with the sieve of Eratosthenes.
+        https://oeis.org/A000040
+
+    Generator id:
+        fermat
+    Desciption:
         Generate the n-th Fermat Number.
+        https://oeis.org/A000215
 
-    fibonacci
+    Generator id:
+        fibonacci
+    Desciption:
+        Generate the sequence of Fibonacci.
         https://oeis.org/A000045
-        A generator for Fibonacci numbers, goes to next number in series on each call.
-        This generator start at 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, ...
 
-    identity
+    Generator id:
+        identity
+    Desciption:
         f(x) = x
 
-    log_gen
+    Generator id:
+        log_gen
+    Desciption:
         Logarithmic generator.
 
-    mersenne
-        Generate 2^n-1.
+    Generator id:
+        mersenne
+    Desciption:
+        Generate 2^n - 1.
+        https://oeis.org/A001348
 
-    syracuse
-        Generate the sequence of Syracuse
+    Generator id:
+        syracuse
+    Desciption:
+        Generate the sequence of Syracuse.
+
+    Generator id:
+        triangular_numbers
+    Desciption:
+        Triangular numbers: a(n) = C(n+1,2) = n(n+1)/2 = 0+1+2+...+n.
+        http://oeis.org/A000217
 
 
 An other example:
diff --git a/setup.py b/setup.py
index b8f5693..7633f21 100644
--- a/setup.py
+++ b/setup.py
@@ -36,26 +36,28 @@ with open('CHANGELOG.rst', 'r') as f:
 
 setup(
     name='Stegano',
-    version='0.6.8',
+    version='0.6.9',
     author='Cédric Bonhomme',
     author_email='cedric@cedricbonhomme.org',
     packages=packages,
     include_package_data=True,
     scripts=scripts,
     url='https://github.com/cedricbonhomme/Stegano',
-    description='A Python Steganography module.',
+    description='A pure Python Steganography module.',
     long_description=readme + '\n|\n\n' + changelog,
     platforms = ['Linux'],
     license='GPLv3',
     install_requires=requires,
     zip_safe=False,
     classifiers=[
-        "Development Status :: 4 - Beta",
-        "Environment :: Console",
-        "Topic :: Utilities",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3.4",
-        "Programming Language :: Python :: 3.5",
-        "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)"
+        'Development Status :: 5 - Production/Stable',
+        'Environment :: Console',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Science/Research',
+        'Topic :: Security',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)'
     ]
 )