diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6c24a0cf..46566ed6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,6 +16,10 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Fetch annotated tags
+        run: |
+          git fetch origin "refs/tags/$GITHUB_REF:refs/tags/$GITHUB_REF"
+
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
@@ -42,10 +46,17 @@ jobs:
           git config user.name 'githooks-bot'
           git config user.email 'githooks-bot@users.noreply.github.com'
 
+          # Check we got an annotated tag.
+          [ "$(git cat-file -t "$TRIGGER_TAG")" = "tag" ] || {
+            echo "Tag '$TRIGGER_TAG' is not an annotated tag."
+            exit 1
+          }
+
           # Gets the message on the annotated commit:
           deref() { git for-each-ref "refs/tags/$TRIGGER_TAG" --format="%($1)" ; };
+
           # Creates a new tag with the same message, including trailing headers.
-          git tag "$RELEASE_TAG" -a -m "$(deref contents)"
+          git tag -a -m "$(deref contents)" "$RELEASE_TAG"
           git tag "githooks/$RELEASE_TAG"
 
       - name: Define Release Branch
@@ -57,25 +68,34 @@ jobs:
           RELEASE_BRANCH="main"
           RELEASE_VERSION="${RELEASE_TAG##v}"
 
-          regex="^Release-Branch:\s+(.*)$"
+          echo "Get release branch on tag '$RELEASE_TAG'."
+
           # Gets the message on the annotated commit:
           deref() {
             git for-each-ref "refs/tags/$RELEASE_TAG" --format="%($1)" ;
           };
 
+          deref contents
+
+          regex="^Release-Branch:\s+(.*)$"
           if deref contents | grep -qE "$regex"; then
             RELEASE_BRANCH=$(deref contents | grep -E "$regex" |
                      sed -E "s/$regex/\1/") || {
               echo "Release-Branch trailer is wrong."
               exit 1
             }
+            [ -n "$RELEASE_BRANCH" ] || {
+              echo "Release-Branch trailer is empty."
+              exit 1
+            }
           fi
+
           # Fetch the branch.
           git fetch --depth 50 origin "$RELEASE_BRANCH"
 
           # Check if its reachable.
           [ -n "$(git rev-list --first-parent \
-                    --ancestry-path
+                    --ancestry-path \
                     "$RELEASE_TAG^..origin/$RELEASE_BRANCH")" ] || {
             echo "Tag is not reachable from '$RELEASE_BRANCH' (--first-parent) !" >&2
             exit 1
diff --git a/README.md b/README.md
index b45786fc..86d22e92 100644
--- a/README.md
+++ b/README.md
@@ -1514,10 +1514,10 @@ matches the regex `^Update-NoSkip: *true`, than this version **will not be
 skipped**. This feature enables to enforce an update to a specific version. In
 some cases this is useful (serialization changes etc.).
 
-The single-line commit trailers `^Update-Info: *(.*)` on version tagged commits
-are used to assemble a small changelog during update, which is presented to the
-user. The single line can contain important information/links to relevant fixes
-and changes.
+The single-line commit trailers `^Update-Info: *(.*)` (multiple ones allowed) on
+the annotated tag is used to assemble a small changelog during update, which is
+presented to the user. The single line can contain important information/links
+to relevant fixes and changes.
 
 You can also check for updates at any time by executing
 [`git hooks update`](docs/cli/git_hooks_update.md) or using
diff --git a/nix/pkgs/version.json b/nix/pkgs/version.json
index f339f7b9..80cc1aad 100644
--- a/nix/pkgs/version.json
+++ b/nix/pkgs/version.json
@@ -1 +1,3 @@
-{ "version": "3.0.0" }
+{
+  "version": "3.0.0-rc1"
+}
diff --git a/scripts/release.sh b/scripts/release.sh
index cddb8bac..2a44a7c1 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -34,7 +34,7 @@ function commit_version_file() {
     jq ".version |= \"$version\"" nix/pkgs/version.json >"$temp"
     mv "$temp" nix/pkgs/version.json
 
-    if git diff --quiet --exit-code; then
+    if ! git diff --quiet --exit-code; then
         git add nix/pkgs/version.json
         git commit -m "np: Update version to '$version'"
     fi