README fixup
README fixup

socialize/socialize-sdk-ios,socialize/socialize-sdk-ios,dontfallisleep/socialize-sdk-ios,dontfallisleep/socialize-sdk-ios,dontfallisleep/socialize-sdk-ios,socialize/socialize-sdk-ios,dontfallisleep/socialize-sdk-ios,socialize/socialize-sdk-ios,socialize/socialize-sdk-ios,dontfallisleep/socialize-sdk-ios,socialize/socialize-sdk-ios,dontfallisleep/socialize-sdk-ios