diff --git a/gpdb-doc/dita/admin_guide/ddl/ddl-partition.xml b/gpdb-doc/dita/admin_guide/ddl/ddl-partition.xml
index 4e7d0b925575aa9117ba43aa78e3df1c183c9a58..33b4baf0faba1a68673023ca6474a22d82065d97 100644
--- a/gpdb-doc/dita/admin_guide/ddl/ddl-partition.xml
+++ b/gpdb-doc/dita/admin_guide/ddl/ddl-partition.xml
@@ -688,8 +688,8 @@ PARTITION other;
           partition swaps one table in place of an existing partition. You can exchange partitions
           only at the lowest level of your partition hierarchy (only partitions that contain data
           can be exchanged). </p>
-        <p>You cannot exchange a partition with a replicated table. You cannot exchange a partition
-          with a partitioned table or a child partition of a partitioned table.</p>
+        <p>You cannot exchange a partition with a replicated table. Exchanging a partition with a partitioned table or a child partition of a partitioned
+          table is not supported.</p>
         <p>Partition exchange can be useful for data loading. For example, load a staging table and
           swap the loaded table into your partition design. You can use partition exchange to change
           the storage type of older partitions to append-optimized tables. For example:</p>
diff --git a/gpdb-doc/dita/ref_guide/sql_commands/ALTER_TABLE.xml b/gpdb-doc/dita/ref_guide/sql_commands/ALTER_TABLE.xml
index a83b8be9d441cb522135563e5625d2bbda71f906..b44b922e707ea142b3cea5f0595c9f177b72299e 100644
--- a/gpdb-doc/dita/ref_guide/sql_commands/ALTER_TABLE.xml
+++ b/gpdb-doc/dita/ref_guide/sql_commands/ALTER_TABLE.xml
@@ -802,9 +802,8 @@ where <varname>action</varname> is one of:
                                                 column with a check constraint or a <codeph>NOT
                                                   NULL</codeph> constraint.</pd>
                                         <pd>You cannot exchange a partition with a replicated table.
-                                                You cannot exchange a partition with a partitioned
-                                                table or a child partition of a partitioned
-                                                table.</pd>
+                                                Exchanging a partition with a partitioned table or a child partition of a partitioned
+                                                table is not supported.</pd>
                                         <pd><b>WITH</b> | <b>WITHOUT VALIDATION</b> - Validates that
                                                 the data in the table matches the
                                                   <codeph>CHECK</codeph> constraint of the partition