diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 3c39a9366..5091f9c6f 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -1,4 +1,9 @@
-## Build Prerequisites ##
+## License
+
+All contributions to Redisson are licensed under the
+[Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0) and subject to the [Developer Certificate of Origin (DCO)](https://developercertificate.org/).
+
+## Build Prerequisites
 Have at least a local copy of built redis, for more information see [tutorial](https://www.digitalocean.com/community/tutorials/how-to-install-and-use-redis).
 
 Note that redis shouldn't be running - the build will start instances as needed.
@@ -8,7 +13,7 @@ Note that redis shouldn't be running - the build will start instances as needed.
 Prior to the build, you may need to change branch depending on which version of Redisson you want to build. Currently master branch is for version 2.x whereas 3.0.0 branch is for 3.x branch. Version 2.x requies Java SDK 6 and above and version 3.x requires Java SDK 8 and above to build.
 
 
-## Running the tests ##
+## Running the tests
 
 ``` bash
 export REDIS_BIN=<path to redis binaries>
diff --git a/redisson-hibernate/README.md b/redisson-hibernate/README.md
index 88dce93ab..ec4979a20 100644
--- a/redisson-hibernate/README.md
+++ b/redisson-hibernate/README.md
@@ -14,7 +14,7 @@ Redisson provides various Hibernate Cache factories including those with feature
 
 Below is the list of all available factories with local cache and/or data partitioning support:
 
-|Class name | Local cache <br/> support<br/>(up to 5x faster) | Data partitioning <br/> support |
+|Class name | Local cache | Data partitioning |
 | ------------- | ------------- | ------------|
 |RedissonRegionFactory<br/>&nbsp; | No | No |
 |RedissonLocalCachedRegionFactory<br/><sub><i>available only in [Redisson PRO](http://redisson.pro) edition</i></sub>  | **Yes** | No |
diff --git a/redisson-mybatis/README.md b/redisson-mybatis/README.md
index 24c2cb11f..1c0debbc8 100644
--- a/redisson-mybatis/README.md
+++ b/redisson-mybatis/README.md
@@ -12,7 +12,7 @@ Redisson provides various MyBatis Cache implementations including those with fea
 
 Below is the list of all available implementations with local cache and/or data partitioning support:
 
-|Class name | Local cache <br/> support<br/>(up to 45x faster) | Data partitioning <br/> support |
+|Class name | Local cache | Data partitioning |
 | ------------- | ------------- | ------------|
 |RedissonCache<br/>&nbsp; | No | No |
 |RedissonLocalCachedCache<br/><sub><i>available only in [Redisson PRO](http://redisson.pro) edition</i></sub>  | **Yes** | No |