Corrects small typo in 'how to run' docu.
Corrects small typo in 'how to run' docu.

goruklu/open-content-decryption-module,linaro-home/open-content-decryption-module,kuscsik/linaro-cdm,goruklu/open-content-decryption-module,kuscsik/linaro-cdm,linaro-home/open-content-decryption-module,goruklu/open-content-decryption-module,linaro-home/open-content-decryption-module,linaro-home/open-content-decryption-module,kuscsik/linaro-cdm