diff --git a/21/07.txt b/21/07.txt
index f21edbd..a74488d 100644
--- a/21/07.txt
+++ b/21/07.txt
@@ -21,6 +21,6 @@
 	},
 	{
 		"title": " ໄກປະ­ມານຫນຶ່ງຮ້ອຍແມັດເທົ່ານັ້ນ",
-		"body": "\"90 ແມັດ.\" ອີກສອກຫນຶ່ງແມ່ນພຽງເລັກນ້ອຍຫນ້ອຍກ່ວາເຄິ່ງແມັດ. (ເບິ່ງ: translate_bdistance)"
+		"body": "\"90 ແມັດ.\" ອີກສອກຫນຶ່ງແມ່ນຫນ້ອຍກ່ວາເຄິ່ງແມັດ. (ເບິ່ງ: translate_bdistance)"
 	}
 ]
\ No newline at end of file
diff --git a/21/10.txt b/21/10.txt
new file mode 100644
index 0000000..2379398
--- /dev/null
+++ b/21/10.txt
@@ -0,0 +1,14 @@
+[
+	{
+		"title": "ຊີ­ໂມນເປ­ໂຕຈຶ່ງລົງ",
+		"body": ""
+	},
+	{
+		"title": "ແລ້ວດຶງມອງຂຶ້ນຝັ່ງ",
+		"body": ""
+	},
+	{
+		"title": "ມອງກໍບໍ່ຂາດ.",
+		"body": ""
+	}
+]
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 2cc5987..8aef3c6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -405,6 +405,7 @@
 		"20-30",
 		"21-title",
 		"21-01",
-		"21-04"
+		"21-04",
+		"21-07"
 	]
 }
\ No newline at end of file