Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/880#discussion_r13110044
--- Diff: docs/index.md ---
@@ -5,7 +5,7 @@ title: Spark Overview
Apache Spark is a fast and general-purpose cluster computing system.
It provides high-level APIs in [Scala](scala-programming-guide.html),
[Java](java-programming-guide.html), and
[Python](python-programming-guide.html) that make parallel jobs easy to write,
and an optimized engine that supports general computation graphs.
-It also supports a rich set of higher-level tools including
[Shark](http://shark.cs.berkeley.edu) (Hive on Spark),
[MLlib](mllib-guide.html) for machine learning,
[GraphX](graphx-programming-guide.html) for graph processing, and [Spark
Streaming](streaming-programming-guide.html).
+It also supports a rich set of higher-level tools including [Spark
SQL](sql-programming-guide.html) (SQL on Spark), [MLlib](mllib-guide.html) for
machine learning, [GraphX](graphx-programming-guide.html) for graph processing,
and [Spark Streaming](streaming-programming-guide.html).
--- End diff --
I make a similar change in #896 so probably best to remove this
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