Update intro.md

Author: ViktarStarastsenka

src/ds/ts/intro.md

@@ -20,4 +20,4 @@ You can ingest and query millions of samples and events at the speed of Redis.
 OR \
 [RedisTimeSeries](https://oss.redis.com/redistimeseries/) >=1.10.11 \
 OR \
-A free Redis Stack instance on [Redis Cloud](https://redis.com/try-free/?utm_source=redis\&utm_medium=app\&utm_campaign=redisinsight_timeseries_guide "Redis Cloud").
+A free Redis Stack instance on [Redis Cloud](https://redis.io/try-free/?utm_source=redisinsight&utm_medium=app&utm_campaign=timeseries_tutorial).