docs(ciscospark): correct punctuation
docs(ciscospark): correct punctuation

aimeex3/spark-js-sdk,aimeex3/spark-js-sdk,mwegman/spark-js-sdk,ciscospark/spark-js-sdk,bbender/spark-js-sdk,adamweeks/spark-js-sdk,aimeex3/spark-js-sdk,adamweeks/spark-js-sdk,bbender/spark-js-sdk,mwegman/spark-js-sdk,mwegman/spark-js-sdk,bbender/spark-js-sdk,adamweeks/spark-js-sdk,ciscospark/spark-js-sdk