Fix README. Fix and improve hook exmaple descriptions.

example/README.md

@@ -8,7 +8,7 @@ Addon name is the name of the folder containing it. In this case addon name is `
 
 ## Required files
 
-Each addon should have a main script that is named as the addon. In this case the main script name is `example`. It should be located in this directory.
+Each addon should have a main script that is named as the addon. In this case the main script name is `example`. It should be located in the addon root directory.
 
 ## Optional files
 

example/example.post-install

@@ -1,4 +1,5 @@
 #!/bin/bash
 
-echo "Post-install script to perform desired tasks after installation..."
-sleep 1
+echo "  This is a post-install script output."
+echo "  Use it to perform additional tasks after addon installation."
+sleep 1

example/example.post-uninstall

@@ -1,4 +1,5 @@
 #!/bin/bash
 
-echo "Post-uninstall script to perform a cleanup..."
-sleep 2
+echo "  This is an example post-uninstall script to perform a cleanup..."
+echo "  Addon code is gone by this moment."
+sleep 2

example/example.pre-install

@@ -1,8 +1,8 @@
 #!/bin/bash
 
-echo "Pre-install script"
+echo "  This is an example pre-install script output..."
 sleep 1
-ehco "Check for dependencies or pre-requisites..."
+echo "  Use pre-install shook to check for dependencies or pre-requisites..."
+sleep 2
+echo "  If exit code is non-zero, then addon installation will not continue."
 sleep 2
-echo "If exit code if non-zero the installation will not continue."
-sleep 2

example/example.pre-uninstall

@@ -1,4 +1,7 @@
 #!/bin/bash
 
-echo "Pre-uninstall to ask for additional confirmation or warn about outcome..."
-sleep 2
+echo "  This is an example pre-uninstall hook output" 
+echo "  Use this hook to ask for additional confirmations or to warn about outcome..."
+sleep 2
+echo "  If exit code will be non-zero then uninstallation will not happen..."
+sleep 1