Fix a missing article in the documentation

Per complaint from Grant Gryczan.

It's a very old typo; backpatch all the way back.

Author: Laurenz Albe <[email protected]>
Discussion: https://postgr.es/m/172179789219.915368.16590585529628354757@wrigleys.postgresql.org

diff --git a/doc/src/sgml/parallel.sgml b/doc/src/sgml/parallel.sgml
index dc584049c4f8a945deb582e77d196273812133dd..4a4be738fc67fa955893a476cee02c198f6c48fd 100644 (file)
--- a/doc/src/sgml/parallel.sgml
+++ b/doc/src/sgml/parallel.sgml
@@ -187,7 +187,7 @@ EXPLAIN SELECT * FROM pgbench_accounts WHERE filler LIKE '%x%';
   </itemizedlist>
 
   <para>
-    Even when parallel query plan is generated for a particular query, there
+    Even when a parallel query plan is generated for a particular query, there
     are several circumstances under which it will be impossible to execute
     that plan in parallel at execution time.  If this occurs, the leader
     will execute the portion of the plan below the <literal>Gather</literal>