diff --git a/puppet/zulip/files/hooks/common/zulip_notify.sh b/puppet/zulip/files/hooks/common/zulip_notify.sh
index ccb9ad3297..1ec78b9953 100644
--- a/puppet/zulip/files/hooks/common/zulip_notify.sh
+++ b/puppet/zulip/files/hooks/common/zulip_notify.sh
@@ -26,8 +26,9 @@ fi
 from=${ZULIP_OLD_MERGE_BASE_COMMIT:-$ZULIP_OLD_VERSION}
 to=${ZULIP_NEW_MERGE_BASE_COMMIT:-$ZULIP_NEW_VERSION}
 deploy_environment=$(crudini --get /etc/zulip/zulip.conf machine deploy_type || echo "development")
+commit_count=$(git rev-list "${from}..${to}" | wc -l)
 
-echo "zulip_notify: Sending notify of $from .. $to for $deploy_environment to $zulip_notify_server"
+echo "zulip_notify: Sending notify of $from .. $to ($commit_count commits) for $deploy_environment to $zulip_notify_server"
 
 zulip_send() {
     ./zulip-py3-venv/bin/zulip-send \
diff --git a/puppet/zulip/files/hooks/post-deploy.d/zulip_notify.hook b/puppet/zulip/files/hooks/post-deploy.d/zulip_notify.hook
index 04a20acda6..9e1977451f 100644
--- a/puppet/zulip/files/hooks/post-deploy.d/zulip_notify.hook
+++ b/puppet/zulip/files/hooks/post-deploy.d/zulip_notify.hook
@@ -4,4 +4,5 @@ set -e
 set -u
 
 source "$(dirname "$0")/../common/zulip_notify.sh"
-zulip_send "Finished deploying from $from to $to on $(hostname)"
+
+zulip_send "Finished ${deploy_environment} deploy of [${commit_count} new commits](https://github.com/zulip/zulip/compare/${from}...${to}) on $(hostname)"
diff --git a/puppet/zulip/files/hooks/pre-deploy.d/zulip_notify.hook b/puppet/zulip/files/hooks/pre-deploy.d/zulip_notify.hook
index ced80f4ec0..c5f24829d6 100644
--- a/puppet/zulip/files/hooks/pre-deploy.d/zulip_notify.hook
+++ b/puppet/zulip/files/hooks/pre-deploy.d/zulip_notify.hook
@@ -4,4 +4,5 @@ set -e
 set -u
 
 source "$(dirname "$0")/../common/zulip_notify.sh"
-zulip_send "Starting deploy from $from to $to on $(hostname)"
+
+zulip_send "Starting ${deploy_environment} deploy of [${commit_count} new commits](https://github.com/zulip/zulip/compare/${from}...${to}) on $(hostname)"