Update intro.md

Author: ViktarStarastsenka

src/sq/intro.md

@@ -20,4 +20,4 @@ The Redis Query Engine features you to use Redis as a:
 OR \
 [Redis Query Engine](https://github.com/RediSearch/RediSearch/) >=2.10.5 \
 OR \
-A free Redis instance on [Redis Cloud](https://redis.io/try-free/?utm_source=redisinsight&utm_medium=app&utm_campaign=timeseries_tutorial).
+A free Redis instance on [Redis Cloud](https://redis.io/try-free/?utm_source=redisinsight&utm_medium=app&utm_campaign=redis_query_engine_tutorial).