diff --git a/src/backend/commands/propgraphcmds.c b/src/backend/commands/propgraphcmds.c
index 48284b84db9..cc516e27020 100644
--- a/src/backend/commands/propgraphcmds.c
+++ b/src/backend/commands/propgraphcmds.c
@@ -1266,7 +1266,7 @@ check_element_label_properties(Oid ellabeloid)
 	if (diff1 || diff2)
 		ereport(ERROR,
 				errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
-				errmsg("mismatching properties names in definition of label \"%s\"", get_propgraph_label_name(labelid)));
+				errmsg("mismatching property names in definition of label \"%s\"", get_propgraph_label_name(labelid)));
 }
 
 /*
diff --git a/src/test/regress/expected/create_property_graph.out b/src/test/regress/expected/create_property_graph.out
index 4fc4759f18e..f625524abce 100644
--- a/src/test/regress/expected/create_property_graph.out
+++ b/src/test/regress/expected/create_property_graph.out
@@ -210,11 +210,11 @@ CREATE PROPERTY GRAPH gx
         t1 KEY (a) LABEL l1 PROPERTIES (a, b),
         t2 KEY (i) LABEL l1 PROPERTIES (i AS a, j AS j)  -- mismatching property names on label
     );
-ERROR:  mismatching properties names in definition of label "l1"
+ERROR:  mismatching property names in definition of label "l1"
 ALTER PROPERTY GRAPH g4 ALTER VERTEX TABLE t1 ADD LABEL t3l1 PROPERTIES (a AS x, b AS yy, b AS zz);  -- mismatching number of properties on label
 ERROR:  mismatching number of properties in definition of label "t3l1"
 ALTER PROPERTY GRAPH g4 ALTER VERTEX TABLE t1 ADD LABEL t3l1 PROPERTIES (a AS x, b AS zz);  -- mismatching property names on label
-ERROR:  mismatching properties names in definition of label "t3l1"
+ERROR:  mismatching property names in definition of label "t3l1"
 ALTER PROPERTY GRAPH g4 ALTER VERTEX TABLE t1 ADD LABEL t3l1 PROPERTIES (a AS x);  -- mismatching number of properties on label
 ERROR:  mismatching number of properties in definition of label "t3l1"
 ALTER PROPERTY GRAPH g1 OWNER TO regress_graph_user1;