diff --git a/05/21.txt b/05/21.txt
index 39e17634..cf890362 100644
--- a/05/21.txt
+++ b/05/21.txt
@@ -9,7 +9,7 @@
 	},
 	{
 		"title": "有吩咐古人的话",
-		"body": "可译为主动句。另译:“神很久以前对我们祖先说的话”。(参: figs_activepassive)"
+		"body": "可译为主动句。另译:“神很久以前对我们先祖说的话”。(参: figs_activepassive)"
 	},
 	{
 		"title": "凡杀人的难免受审判",
diff --git a/manifest.json b/manifest.json
index 8e8eda2f..db9b777b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -88,7 +88,7 @@
 		"05-15",
 		"05-17",
 		"05-19",
-		"05-23",
+		"05-21",
 		"05-25",
 		"05-27",
 		"05-29",