diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec44b09bfa2871a8aba2ac95a3e44aa359470b17..ccb269826f8947a9c17653a6441276dbb8934465 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # v2.1.10
 
-* _TBA_
+* added [metrics](satella/instrumentation/metrics)
+* [documentation](https://satella.readthedocs.io/en/develop/) improved
 
 # v2.1.9
 
diff --git a/docs/conf.py b/docs/conf.py
index 654fa5c0a55ced5256dab1fccfee268198e70daf..3a7e1863de18430ff5ae19cb65a49ce40189a0c5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -51,7 +51,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'satella'
-copyright = u'2017-2018, Piotr Maślanka'
+copyright = u'2017-2019, Piotr Maślanka'
 author = u'Piotr Maślanka'
 
 # The version info for the project you're documenting, acts as replacement for
diff --git a/docs/index.rst b/docs/index.rst
index 453d3b89168e0981f2337c5dfcd2ca1f98e22c6d..a47ed1cebc7de8ab8ab8f8760bd0f3e2c1a12089 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -5,14 +5,15 @@ Welcome to satella's documentation!
            :maxdepth: 2
            :caption: Contents:
 
-               coding/monitor
-               coding/debug
-               coding/typechecking
-               coding/structures
-               instrumentation/traceback
-               instrumentation/metrics
-               source/modules
-               posix
+           coding/monitor
+           coding/debug
+           coding/typechecking
+           coding/structures
+           instrumentation/traceback
+           instrumentation/metrics
+           source/modules
+           posix
+           recipes
 
 
 Indices and tables
diff --git a/docs/instrumentation/metrics.md b/docs/instrumentation/metrics.rst
similarity index 99%
rename from docs/instrumentation/metrics.md
rename to docs/instrumentation/metrics.rst
index 2118fccb1ae436c998aaa561793023eb3ebf7534..9440cd8feceeb4afe55e4ed73d2ccf9765e3cc53 100644
--- a/docs/instrumentation/metrics.md
+++ b/docs/instrumentation/metrics.rst
@@ -1,3 +1,6 @@
+Metrics
+-------
+
 Metrics and instruments are a system to output real-time statistics.
 
 Metrics are defined and meant to be used in a similar way
diff --git a/satella/__init__.py b/satella/__init__.py
index 1617bb15a5b029f31a46f28daa375faf990a1ef4..861666c6e09c7dc3a813cc7384bef69d4d0ffd09 100644
--- a/satella/__init__.py
+++ b/satella/__init__.py
@@ -1,3 +1,3 @@
 # coding=UTF-8
-__version__ = '2.1.10a5'
+__version__ = '2.1.10rc1'
 
diff --git a/setup.cfg b/setup.cfg
index dc321ce6b880d3d1c316e6c65d2d00144602e513..a4f1ae15314f877de1e56b0a1a4213efbf2d171f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -10,7 +10,7 @@ author_email = piotrm@smok.co
 description = Utilities for writing servers in Python
 url = https://github.com/piotrmaslanka/satella
 project-urls =
-    Documentation = https://satella.readthedocs.io/
+    Documentation = https://satella.readthedocs.io/en/develop/
 classifier = 
     Programming Language :: Python
     Programming Language :: Python :: 3.5