Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/4041#discussion_r119602073
--- Diff: docs/dev/libs/cep.md ---
@@ -23,22 +23,24 @@ specific language governing permissions and limitations
under the License.
-->
-FlinkCEP is the complex event processing library for Flink.
-It allows you to easily detect complex event patterns in a stream of
endless data.
-Complex events can then be constructed from matching sequences.
-This gives you the opportunity to quickly get hold of what's really
important in your data.
+FlinkCEP is the Complex Event Processing (CEP) library implemented on top
of Flink.
+It allows you to easily detect event patterns in an endless stream of
events, thus
+giving you the opportunity to quickly get hold of what's really important
in your
+data.
-<span class="label label-danger">Attention</span> The events in the
`DataStream` to which
-you want to apply pattern matching have to implement proper `equals()` and
`hashCode()` methods
-because these are used for comparing and matching events.
+This page described the API calls available in Flink CEP. We start by
presenting the [Pattern API](#the-pattern-api),
--- End diff --
"described" --> "describes"
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