diff --git a/.github/obs-settings.png b/.github/obs-settings.png
new file mode 100644
index 0000000..50031ca
Binary files /dev/null and b/.github/obs-settings.png differ
diff --git a/README.md b/README.md
index 57297e9..5db3581 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,10 @@ Stream Sprout will look for a configuration file in the following locations, in
 ### Server
 
 The `server:` section is used to configure the RTMP server that Stream Sprout will listen on.
+`url:` is the URL that Stream Sprout will listen on; it must be an RTMP URL.
+If you remotely host Stream Sprout, you should set `key:` to a secure value to prevent unauthorised access.
+
+```yaml
 If `archive_stream:` is `true` Stream Sprout will archive the stream to disk in the directory specified by `archive_path:`.
 
 ### Services
@@ -173,6 +177,9 @@ services:
 - Select `Custom` from the `Service` dropdown
 - Copy the server `url:` from your Stream Sprout configuration to the `Server` field:
   - `rtmp://127.0.0.1:1935` (*default*)
+- Copy the `key:` (if you specified one) from your Stream Sprout configuration to the `Stream Key` field
+
+![OBS Studio Stream Settings](.github/obs-settings.png)
 
 ## Limitations
 
diff --git a/stream-sprout b/stream-sprout
index f12cb79..0a96c53 100755
--- a/stream-sprout
+++ b/stream-sprout
@@ -120,11 +120,18 @@ trap ctrl_c INT
 while true; do
     echo "Stream Sprout v${VERSION} using ${STREAM_SPROUT_CONFIG}"
     SERVER_URL=$(yq e ".server.url" "${STREAM_SPROUT_CONFIG}")
+    SERVER_KEY=$(yq e ".server.key" "${STREAM_SPROUT_CONFIG}")
     if [[ ! "${SERVER_URL}" =~ ^rtmp://.* ]]; then
         echo " - Invalid URL:  ${SERVER_URL} is not a valid RTMP URL."
         exit 1
     fi
-    echo " - Server:  ${SERVER_URL}"
+    echo -n " - Server:  ${SERVER_URL}"
+    if [ "${SERVER_KEY}" != "null" ]; then
+        SERVER_URL+="/${SERVER_KEY}"
+        echo " (key required)"
+    else
+        echo ""
+    fi
     STREAM_TEE=""
     get_stream_tee
     ffmpeg \
diff --git a/stream-sprout.yaml.example b/stream-sprout.yaml.example
index 739c469..556e3a2 100644
--- a/stream-sprout.yaml.example
+++ b/stream-sprout.yaml.example
@@ -1,5 +1,6 @@
 server:
   url: "rtmp://127.0.0.1:1935"
+  key: "<insert your own key here>"
   archive_stream: false
   archive_path: "${HOME}/Streams"