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MINOR: doc/streams/dsl-api, fix href of "KTable-KTable Foreign-Key Joins" (#13919)
Reviewers: Matthias J. Sax <[email protected]>
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docs/streams/developer-guide/dsl-api.html

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@@ -1699,7 +1699,7 @@ <h4 class="anchor-heading"><a id="streams_concepts_globalktable" class="anchor-l
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<p>For equi-joins, input data must be co-partitioned when joining. This ensures that input records with the same key from both sides of the
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join, are delivered to the same stream task during processing.
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<strong>It is your responsibility to ensure data co-partitioning when joining</strong>.
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Co-partitioning is not required when performing <a class="reference internal" href="#streams-developer-guide-dsl-joins-ktable-ktable-fk-join"><span class="std std-ref">KTable-KTable Foreign-Key joins</span></a> and <a class="reference internal" href="#streams_concepts_globalktable"><span class="std std-ref">Global KTable joins</span></a>.
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Co-partitioning is not required when performing <a class="reference internal" href="#ktable-ktable-fk-join"><span class="std std-ref">KTable-KTable Foreign-Key joins</span></a> and <a class="reference internal" href="#streams_concepts_globalktable"><span class="std std-ref">Global KTable joins</span></a>.
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</p>
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<p>The requirements for data co-partitioning are:</p>
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<ul class="simple">
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not required because <em>all</em> partitions of the <code class="docutils literal"><span class="pre">GlobalKTable</span></code>&#8216;s underlying changelog stream are made available to
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each <code class="docutils literal"><span class="pre">KafkaStreams</span></code> instance. That is, each instance has a full copy of the changelog stream. Further, a
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<code class="docutils literal"><span class="pre">KeyValueMapper</span></code> allows for non-key based joins from the <code class="docutils literal"><span class="pre">KStream</span></code> to the <code class="docutils literal"><span class="pre">GlobalKTable</span></code>.
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<a class="reference internal" href="#streams-developer-guide-dsl-joins-ktable-ktable-fk-join"><span class="std std-ref">KTable-KTable Foreign-Key joins</span></a> also do not require co-partitioning. Kafka Streams internally ensures co-partitioning for Foreign-Key joins.
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<a class="reference internal" href="#ktable-ktable-fk-join"><span class="std std-ref">KTable-KTable Foreign-Key joins</span></a> also do not require co-partitioning. Kafka Streams internally ensures co-partitioning for Foreign-Key joins.
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</p>
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<div class="admonition note">

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