Update README.md

Author: christophecalvet

README.md

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-# PowerCLI Get-EsxCli onsteroids
+# PowerCLI Get-EsxCli on steroids
 Get-EsxCli made easy. 472 PowerCli functions, one for each ESXi command. Take into account all ESXi build for version 5.0 to 6.0
+
+Explanation regarding the logic behind these functions in the following blog post
+http://thecrazyconsultant.com/get-esxcli_on_steroids/