diff --git a/src/backend/distributed/executor/multi_utility.c b/src/backend/distributed/executor/multi_utility.c
index 30f432d5a..c06088924 100644
--- a/src/backend/distributed/executor/multi_utility.c
+++ b/src/backend/distributed/executor/multi_utility.c
@@ -1019,7 +1019,7 @@ ErrorIfUnsupportedAlterTableStmt(AlterTableStmt *alterTableStatement)
 			default:
 			{
 				ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-								errmsg("alter table command is currently supported"),
+								errmsg("alter table command is currently unsupported"),
 								errdetail("Only ADD|DROP COLUMN, SET|DROP NOT NULL,"
 										  " SET|DROP DEFAULT and TYPE subcommands are"
 										  " supported.")));
diff --git a/src/test/regress/expected/multi_name_lengths.out b/src/test/regress/expected/multi_name_lengths.out
index fdf9f8822..3990408fa 100644
--- a/src/test/regress/expected/multi_name_lengths.out
+++ b/src/test/regress/expected/multi_name_lengths.out
@@ -78,13 +78,13 @@ ALTER TABLE name_lengths ADD COLUMN date_col_12345678901234567890123456789012345
 ALTER TABLE name_lengths ADD COLUMN int_col_12345678901234567890123456789012345678901234567890 INTEGER DEFAULT 1;
 -- Placeholders for unsupported ALTER TABLE to add constraints with implicit names that are likely too long
 ALTER TABLE name_lengths ADD UNIQUE (float_col_12345678901234567890123456789012345678901234567890);
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 ALTER TABLE name_lengths ADD EXCLUDE (int_col_12345678901234567890123456789012345678901234567890 WITH =);
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 ALTER TABLE name_lengths ADD CHECK (date_col_12345678901234567890123456789012345678901234567890 > '2014-01-01'::date);
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 \c - - - :worker_1_port
 \d name_lengths_*
@@ -113,13 +113,13 @@ Indexes:
 \c - - - :master_port
 -- Placeholders for unsupported add constraints with EXPLICIT names that are too long
 ALTER TABLE name_lengths ADD CONSTRAINT nl_unique_12345678901234567890123456789012345678901234567890 UNIQUE (float_col_12345678901234567890123456789012345678901234567890);
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 ALTER TABLE name_lengths ADD CONSTRAINT nl_exclude_12345678901234567890123456789012345678901234567890 EXCLUDE (int_col_12345678901234567890123456789012345678901234567890 WITH =);
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 ALTER TABLE name_lengths ADD CONSTRAINT nl_checky_12345678901234567890123456789012345678901234567890 CHECK (date_col_12345678901234567890123456789012345678901234567890 >= '2014-01-01'::date);
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 \c - - - :worker_1_port
 \d nl_*
diff --git a/src/test/regress/output/multi_alter_table_statements.source b/src/test/regress/output/multi_alter_table_statements.source
index 36fedcf31..3db9dbc77 100644
--- a/src/test/regress/output/multi_alter_table_statements.source
+++ b/src/test/regress/output/multi_alter_table_statements.source
@@ -317,7 +317,7 @@ ALTER TABLE lineitem_alter ADD COLUMN int_column1 INTEGER,
 
 ALTER TABLE lineitem_alter ADD COLUMN int_column3 INTEGER,
 	ALTER COLUMN int_column1 SET STATISTICS 10;
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 ALTER TABLE lineitem_alter DROP COLUMN int_column1, DROP COLUMN int_column2;
 \d lineitem_alter
@@ -349,13 +349,13 @@ ALTER TABLE lineitem_alter DROP COLUMN l_orderkey;
 ERROR:  cannot execute ALTER TABLE command involving partition column
 -- Verify that we error out on unsupported statement types
 ALTER TABLE lineitem_alter ALTER COLUMN l_orderkey SET STATISTICS 100;
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 ALTER TABLE lineitem_alter DROP CONSTRAINT IF EXISTS non_existent_contraint;
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 ALTER TABLE lineitem_alter SET WITHOUT OIDS;
-ERROR:  alter table command is currently supported
+ERROR:  alter table command is currently unsupported
 DETAIL:  Only ADD|DROP COLUMN, SET|DROP NOT NULL, SET|DROP DEFAULT and TYPE subcommands are supported.
 -- Verify that we error out in case of postgres errors on supported statement
 -- types