diff --git a/LICENSE b/LICENSE
index 638c21e5..3d3c9050 100644
--- a/LICENSE
+++ b/LICENSE
@@ -211,15 +211,12 @@ also subject to the terms and conditions of the following licenses.
 
 BSD-3-Clause (src/viztracer/html/LICENSE):
 
-   src/viztracer/html/trace_viewer_*.html
-      from - https://github.com/catapult-project/catapult
+  src/viztracer/html/trace_viewer_*.html
 
 Apache License V2 (src/viztracer/web_dist/LICENSE):
 
-   src/viztracer/web_dist/*
-      from - https://github.com/google/perfetto
+  src/viztracer/web_dist/*
 
 Eclipse Public License v1.0 (src/viztracer/attach_process/LICENSE)
 
-   src/viztracer/attach_process/*
-      from - https://github.com/fabioz/PyDev.Debugger
+  src/viztracer/attach_process/*
diff --git a/NOTICE.txt b/NOTICE.txt
index f8dd5e18..73ffad3e 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -12,3 +12,16 @@ distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
+
+This project contains code from the following projects:
+
+    Catapult (https://github.com/catapult-project/catapult)
+    Copyright (c) 2012 The Chromium Authors. All rights reserved.
+    - src/viztracer/html/trace_viewer_*.html
+
+    Perfetto (https://github.com/google/perfetto)
+    Copyright (c) 2017, The Android Open Source Project
+    - src/viztracer/web_dist/*
+
+    PyDev.Debugger (https://github.com/fabioz/PyDev.Debugger)
+    - src/viztracer/attach_process/*