Add reminders to sync the features to TWPT-server

Change-Id: Iacae23172cb1c33771e3e525dbe4d27579ed3f1e
diff --git a/docs/developers/release_cycle.md b/docs/developers/release_cycle.md
index c0839f3..6f647ce 100644
--- a/docs/developers/release_cycle.md
+++ b/docs/developers/release_cycle.md
@@ -6,7 +6,9 @@
 extension's [version number](https://developer.chrome.com/extensions/manifest/version)
 for that release) by running `bash tagRelease.bash --version vx`. Note that the
 tag must be pushed to Gerrit after being created.
-2. [Build the extension](build.md) for both the stable and beta channels. This
+1. Sync the features with the TWPT-server via the `syncfeatures` command. (e.g.
+`cat src/common/optionsPrototype.json5 | json5 | syncfeatures --grpcEndpoint __ENTER_ENDPOINT__ --jwt __ENTER_JWT__`).
+1. [Build the extension](build.md) for both the stable and beta channels. This
 will output a ZIP file for each release channel and each supported browser.
 
 Afterwards, the release should be published in GitHub along with a changelog,
diff --git a/tagRelease.bash b/tagRelease.bash
index 4992ecf..76c9d91 100644
--- a/tagRelease.bash
+++ b/tagRelease.bash
@@ -52,6 +52,7 @@
 
 if [ $? -eq 0 ]; then
   echo "Tag created. Now run \`git push --tags\` to push the tags to the server."
+  echo "Also, remember to sync the features to the TWPT-server."
 else
   echo "The tag could not be created." >&2
 fi