Fix some typos in comments

src/backend/distributed/commands/utility_hook.c

@@ -258,7 +258,7 @@ multi_ProcessUtility(PlannedStmt *pstmt,
 	else if (IsA(parsetree, DoStmt))
 	{
 		/*
-		 * All statements in a DO block are executed in a single transaciton,
+		 * All statements in a DO block are executed in a single transaction,
 		 * so we need to keep track of whether we are inside a DO block.
 		 */
 		DoBlockLevel += 1;

src/backend/distributed/sql/udfs/worker_create_or_replace_object/11.0-1.sql

@@ -12,4 +12,4 @@ CREATE OR REPLACE FUNCTION pg_catalog.worker_create_or_replace_object(statements
   AS 'MODULE_PATHNAME', $$worker_create_or_replace_object_array$$;
 
 COMMENT ON FUNCTION pg_catalog.worker_create_or_replace_object(statements text[])
-    IS 'takes a lost of sql statements, before executing these it will check if the object already exists in that exact state otherwise replaces that named object with the new object';
+    IS 'takes an array of sql statements, before executing these it will check if the object already exists in that exact state otherwise replaces that named object with the new object';

src/backend/distributed/sql/udfs/worker_create_or_replace_object/latest.sql

@@ -12,4 +12,4 @@ CREATE OR REPLACE FUNCTION pg_catalog.worker_create_or_replace_object(statements
   AS 'MODULE_PATHNAME', $$worker_create_or_replace_object_array$$;
 
 COMMENT ON FUNCTION pg_catalog.worker_create_or_replace_object(statements text[])
-    IS 'takes a lost of sql statements, before executing these it will check if the object already exists in that exact state otherwise replaces that named object with the new object';
+    IS 'takes an array of sql statements, before executing these it will check if the object already exists in that exact state otherwise replaces that named object with the new object';