diff --git a/sdk_container/src/third_party/portage-stable/changelog/README.md b/sdk_container/src/third_party/portage-stable/changelog/README.md
index 11498d2f23..8c61ac11cc 100644
--- a/sdk_container/src/third_party/portage-stable/changelog/README.md
+++ b/sdk_container/src/third_party/portage-stable/changelog/README.md
@@ -17,6 +17,7 @@ the imperative voice for actions the user should do as a result). Security
 fixes of upstream packages and package updates can be kept short in most cases
 and follow a standard format.
 
-As `Updates` refer to the package updates, the description of the file should
-be of the following format: `Package Name [Version](link to changelog)`
-Example: `Linux ([5.10.77](https://lwn.net/Articles/874852/))`
+As `Updates` refer to the package updates, contents of the file should be of
+the following format: `- Package Name ([Version](link to changelog))`. Example:
+`- Linux ([5.10.77](https://lwn.net/Articles/874852/))`. Note the leading dash
+that will create a bullet list in the rendered markdown.
diff --git a/sdk_container/src/third_party/portage-stable/changelog/security/2021-11-25-CVE-2020-13844.md b/sdk_container/src/third_party/portage-stable/changelog/security/2021-11-25-CVE-2020-13844.md
index 9cbd4874e5..31fcfa416f 100644
--- a/sdk_container/src/third_party/portage-stable/changelog/security/2021-11-25-CVE-2020-13844.md
+++ b/sdk_container/src/third_party/portage-stable/changelog/security/2021-11-25-CVE-2020-13844.md
@@ -1,3 +1 @@
-## Security
-
 - [CVE-2020-13844](https://nvd.nist.gov/vuln/detail/CVE-2020-13844)
diff --git a/sdk_container/src/third_party/portage-stable/changelog/updates/2021-11-25-gcc-9.4.0.md b/sdk_container/src/third_party/portage-stable/changelog/updates/2021-11-25-gcc-9.4.0.md
index f76d5679d5..790e12f652 100644
--- a/sdk_container/src/third_party/portage-stable/changelog/updates/2021-11-25-gcc-9.4.0.md
+++ b/sdk_container/src/third_party/portage-stable/changelog/updates/2021-11-25-gcc-9.4.0.md
@@ -1,3 +1 @@
-## Updates
-
 - GCC [9.4.0](https://lists.gnu.org/archive/html/info-gnu/2021-06/msg00000.html)