DOCSP-30472 sbe build errors (#3293)

* DOCSP-30472 sbe build errors

* spacing

Author: ajhuh-mdb

source/release-notes/6.3.txt

@@ -167,7 +167,8 @@ Starting in MongoDB 6.3, these server parameters were added:
 - :parameter:`chunkMigrationConcurrency` sets the number of threads on
   the source shard and the receiving shard for migrating chunks.
 - :parameter:`planCacheSize` sets the size of the :ref:`plan cache
-  <read-operations-query-optimization>` for the {+sbe+}.
+  <read-operations-query-optimization>` for the :ref:`slot-based query 
+  execution engine <5.1-rel-notes-sbe>`.
 
 Time Series Collection Custom Bucketing Parameters
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