diff --git a/doc/src/sgml/ref/create_publication.sgml b/doc/src/sgml/ref/create_publication.sgml
index 7dcfe37..783874f 100644
--- a/doc/src/sgml/ref/create_publication.sgml
+++ b/doc/src/sgml/ref/create_publication.sgml
@@ -420,7 +420,7 @@ CREATE PUBLICATION users_filtered FOR TABLE users (user_id, firstname);
 </programlisting></para>
 
   <para>
-   Create a publication that synchronizes all the sequences:
+   Create a publication that publishes all sequences for synchronization:
 <programlisting>
 CREATE PUBLICATION all_sequences FOR ALL SEQUENCES;
 </programlisting>
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 585f61e..9b3cad1 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -215,9 +215,9 @@ static void processCASbits(int cas_bits, int location, const char *constrType,
 static PartitionStrategy parsePartitionStrategy(char *strategy);
 static void preprocess_pubobj_list(List *pubobjspec_list,
 								   core_yyscan_t yyscanner);
-static void preprocess_pub_all_objtype_list(List *allbjects_list,
-											bool *alltables,
-											bool *allsequences,
+static void preprocess_pub_all_objtype_list(List *all_objects_list,
+											bool *all_tables,
+											bool *all_sequences,
 											core_yyscan_t yyscanner);
 static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
 
@@ -19440,39 +19440,42 @@ parsePartitionStrategy(char *strategy)
 }
 
 /*
- * Process all_objects_list to check if the options have been specified more than
- * once and set alltables/allsequences.
+ * Process all_objects_list to set all_tables/all_sequences.
+ * Also, checks if the pub_object_type has been specified more than once.
  */
 static void
-preprocess_pub_all_objtype_list(List *all_objects_list, bool *alltables,
-								bool *allsequences, core_yyscan_t yyscanner)
+preprocess_pub_all_objtype_list(List *all_objects_list, bool *all_tables,
+								bool *all_sequences, core_yyscan_t yyscanner)
 {
 	if (!all_objects_list)
 		return;
 
+	Assert(all_tables && *all_tables == false);
+	Assert(all_sequences && *all_sequences == false);
+
 	foreach_ptr(PublicationAllObjSpec, obj, all_objects_list)
 	{
 		if (obj->pubobjtype == PUBLICATION_ALL_TABLES)
 		{
-			if (*alltables)
+			if (*all_tables)
 				ereport(ERROR,
 						errcode(ERRCODE_SYNTAX_ERROR),
 						errmsg("invalid publication object list"),
 						errdetail("TABLES can be specified only once."),
 						parser_errposition(obj->location));
 
-			*alltables = true;
+			*all_tables = true;
 		}
 		else if (obj->pubobjtype == PUBLICATION_ALL_SEQUENCES)
 		{
-			if (*allsequences)
+			if (*all_sequences)
 				ereport(ERROR,
 						errcode(ERRCODE_SYNTAX_ERROR),
 						errmsg("invalid publication object list"),
 						errdetail("SEQUENCES can be specified only once."),
 						parser_errposition(obj->location));
 
-			*allsequences = true;
+			*all_sequences = true;
 		}
 	}
 }