diff --git a/README.md b/README.md
index e7a59e5..e6b5d1d 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,8 @@ If you use McKernel in a publication, please cite the paper below:
 Change Log
 --------------------------------------------------------
 
+Version 2.2, released on 06/06/2019
+
 Version 2.1, released on 04/06/2019
 
 Version 2.0, released on 26/03/2019
diff --git a/lg/README.txt b/lg/README.txt
index 171c794..9e1beae 100644
--- a/lg/README.txt
+++ b/lg/README.txt
@@ -26,6 +26,7 @@ wget http://fashion-mnist.s3-website.eu-central-1.amazonaws.com/t10k-images-idx3
 wget http://fashion-mnist.s3-website.eu-central-1.amazonaws.com/t10k-labels-idx1-ubyte.gz
 
 To run the examples, enter the given folders and run make as follows:
-		$ cd /examples/mnist	
-		$ make
-		$ ./MNIST_Classification
+
+	$ cd /examples/mnist	
+	$ make
+	$ ./MNIST_Classification
diff --git a/sdd+/README.txt b/sdd+/README.txt
index d71da54..2f1c9d9 100644
--- a/sdd+/README.txt
+++ b/sdd+/README.txt
@@ -12,24 +12,25 @@ _|      _|    _|_|_|  _|    _|    _|_|_|  _|        _|    _|    _|_|_|  _|
 README
 
 To run the examples, enter the given folders and run make as follows:
-		$ cd /examples/fwh	
-		$ make
-		$ ./FWH
+
+	$ cd /examples/fwh	
+	$ make
+	$ ./FWH
 
 To include the library in your code, follow the next instructions or see the reference make files.	 
 							 
-Use g++-4.8 or above versions and activate the next flags:
+Use g++-4.8 or above versions and activate the flags:
 
 	-msse2 (-mavx) -O3 -std=c++11 -USE_SSE2
 
 add #include "hpp/Factory_McKernel.hpp" in your test file.
 
-RBF GAUSSIAN. Here is a compilation example:
+RBF GAUSSIAN. Here is an example of how to compile the code:
 
 	$ g++-4.8 -o Factory_McKernel examples/RBF_Test.cpp src/Factory_McKernel.cpp src/hash.cpp -msse2 -mavx -O3 -std=c++11 -USE_SSE2
 	$ ./Factory_McKernel
 
-RBF MATÉRN. Here is a compilation example:
+RBF MATÉRN. Here is an example of how to compile the code:
 
 	$ g++-4.8 -o Factory_McKernel examples/RBF_MATERN_Test.cpp src/Factory_McKernel.cpp src/hash.cpp -msse2 -mavx -O3 -std=c++11 -USE_SSE2
 	$ ./Factory_McKernel
@@ -38,7 +39,7 @@ If you want to use FWH, add #include "hpp/McKernel.hpp" in your test file and co
 
 	-msse2 (-mavx) -O3 -std=c++11
 
-FWH. Here is a compilation example:
+FWH. Here is an example of how to compile the code:
 
 	$ g++-4.8 -o FWH_Test FWH_Test.cpp -msse2 -mavx -O3 -std=c++11
 	$ ./FWH_Test
diff --git a/standard/README.txt b/standard/README.txt
index 44d67f8..963fc4a 100644
--- a/standard/README.txt
+++ b/standard/README.txt
@@ -12,24 +12,25 @@ _|      _|    _|_|_|  _|    _|    _|_|_|  _|        _|    _|    _|_|_|  _|
 README					     					 
 
 To run the examples, enter the given folders and run make as follows:
-		$ cd /examples/fwh	
-		$ make
-		$ ./FWH
+
+	$ cd /examples/fwh	
+	$ make
+	$ ./FWH
 
 To include the library in your code, follow the next instructions or see the reference make files.
 							 
-Use g++-4.8 or above versions and activate the next flags:
+Use g++-4.8 or above versions and activate the flags:
 
 	-msse2 (-mavx) -O3 -std=c++11 -USE_SSE2
 
 add #include "hpp/Factory_McKernel.hpp" in your test file.
 
-RBF GAUSSIAN. Here is a compilation example:
+RBF GAUSSIAN. Here is an example of how to compile the code:
 
 	$ g++-4.8 -o Factory_McKernel examples/RBF_Test.cpp src/Factory_McKernel.cpp -msse2 -mavx -O3 -std=c++11 -USE_SSE2
 	$ ./Factory_McKernel
 
-RBF MATÉRN. Here is a compilation example:
+RBF MATÉRN. Here is an example of how to compile the code:
 
 	$ g++-4.8 -o Factory_McKernel examples/RBF_MATERN_Test.cpp src/Factory_McKernel.cpp -msse2 -mavx -O3 -std=c++11 -USE_SSE2
 	$ ./Factory_McKernel
@@ -38,7 +39,7 @@ If you want to use FWH, add #include "hpp/McKernel.hpp" in your test file and co
 
 	-msse2 (-mavx) -O3 -std=c++11
 
-FWH. Here is a compilation example:
+FWH. Here is an example of how to compile the code:
 
 	$ g++-4.8 -o FWH_Test FWH_Test.cpp -msse2 -mavx -O3 -std=c++11
 	$ ./FWH_Test