Fix DoFn javadoc: StateSpec does not require a key

Project: http://git-wip-us.apache.org/repos/asf/beam/repo
Commit: http://git-wip-us.apache.org/repos/asf/beam/commit/f99ab1a4
Tree: http://git-wip-us.apache.org/repos/asf/beam/tree/f99ab1a4
Diff: http://git-wip-us.apache.org/repos/asf/beam/diff/f99ab1a4

Branch: refs/heads/gearpump-runner
Commit: f99ab1a472868e4ce175a86e5d76823b1c09c10b
Parents: 0e429b3
Author: Kenneth Knowles <k...@google.com>
Authored: Fri Jun 30 21:42:17 2017 -0700
Committer: Kenneth Knowles <k...@google.com>
Committed: Fri Jun 30 21:42:17 2017 -0700

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 .../core/src/main/java/org/apache/beam/sdk/transforms/DoFn.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/beam/blob/f99ab1a4/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/DoFn.java
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diff --git 
a/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/DoFn.java 
b/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/DoFn.java
index fb6d0ee..a2e5c16 100644
--- a/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/DoFn.java
+++ b/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/DoFn.java
@@ -385,7 +385,7 @@ public abstract class DoFn<InputT, OutputT> implements 
Serializable, HasDisplayD
    * <pre><code>{@literal new DoFn<KV<Key, Foo>, Baz>()} {
    *
    *  {@literal @StateId("my-state-id")}
-   *  {@literal private final StateSpec<K, ValueState<MyState>>} myStateSpec =
+   *  {@literal private final StateSpec<ValueState<MyState>>} myStateSpec =
    *       StateSpecs.value(new MyStateCoder());
    *
    *  {@literal @ProcessElement}

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