update summary in 120 rel notes (#147)

diff --git a/_posts/release/2018-02-26-fluo-1.2.0.md b/_posts/release/2018-02-26-fluo-1.2.0.md
index e8c585d..03a02b7 100644
--- a/_posts/release/2018-02-26-fluo-1.2.0.md
+++ b/_posts/release/2018-02-26-fluo-1.2.0.md
@@ -4,11 +4,13 @@
 version: fluo-1.2.0
 ---
 
-Apache Fluo is a distributed processing system built on Apache Accumulo.
-Fluo users can easily setup workflows that execute cross node transactions
-when data changes. These workflows enable users to continuously join new
-data into large existing data sets with low latency while avoiding
-reprocessing all data.
+Apache Fluo is a distributed processing system that lets users make incremental
+updates to large data sets.  With Apache Fluo, users can set up workflows that
+execute cross node transactions when data changes. These workflows enable users
+to continuously join new data into large existing data sets without
+reprocessing all data.  Apache Fluo is an open source implementation
+[Percolator] (which populates Google's search index) that is built on [Apache
+Accumulo].
 
 Below are resources for this release:
 
@@ -166,7 +168,9 @@
 ## Testing
 
 The Fluo stress test was run twice as documented [here](https://twitter.com/ApacheFluo/status/951112777212530689) and [here](https://lists.apache.org/thread.html/023ebf28a2ebbed88cfbd25f09cc6f4e4a1ba685f22c217ebc238025@%3Cdev.fluo.apache.org%3E).
- 
+
+[Percolator]: https://research.google.com/pubs/pub36726.html
+[Apache Accumulo]: https://accumulo.apache.org/
 [procedures]: https://www.apache.org/info/verification
 [KEYS]: https://www.apache.org/dist/fluo/KEYS
 [bin-release]: https://www.apache.org/dyn/closer.lua/fluo/fluo/1.2.0/fluo-1.2.0-bin.tar.gz