diff --git a/08/13.txt b/08/13.txt
index 2c62911..9fe40b1 100644
--- a/08/13.txt
+++ b/08/13.txt
@@ -1 +1 @@
-\v 13 Tênb-Hungh Nănh đax hipđ woax đomc nyunc đangz, hipđ ayx săngb nyăngz, tah yeetx woax đomc nănh six hipđ ayx lôx nyăngz, max lauh songđ dliêtc nzuf.
\ No newline at end of file
+\v 13 Tênb-Hungh Nănh đax hipđ woax đomc nyunc đangz, hipđ ayx săngb nyăngz, tah yeetx woax đomc nănh six hipđ ayx lôx nyăngz, max lauh songđ dlêtc nzuf.
\ No newline at end of file
diff --git a/09/title.txt b/09/title.txt
index 2c76136..275dd03 100644
--- a/09/title.txt
+++ b/09/title.txt
@@ -1 +1 @@
-Hipc-lu 9
\ No newline at end of file
+chương 9
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index b519652..78c930a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -106,7 +106,6 @@
 		"08-11",
 		"08-13",
 		"09-title",
-		"09-01",
 		"09-03",
 		"09-06",
 		"09-08",