diff --git a/README.md b/README.md
index 71473d9..9a0236c 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,10 @@ $ npm install
 $ npm start
 ```
 
-With the server running, open a recent version of Firefox or Chrome and visit `https://localhost:8443`. Note the HTTPS! There is no redirect from HTTP to HTTPS.
+With the server running, open a recent version of Firefox or Chrome and visit `https://localhost:8443`.
+
+* Note the HTTPS! There is no redirect from HTTP to HTTPS. 
+* Some browsers or OSs may not allow the webcam to be used by multiple pages at once. You may need to use two different browsers or machines.
 
 ## TLS
 
diff --git a/server/server.js b/server/server.js
index f7000c6..275b9db 100644
--- a/server/server.js
+++ b/server/server.js
@@ -52,6 +52,8 @@ wss.broadcast = function(data) {
 };
 
 console.log('Server running. Visit https://localhost:' + HTTPS_PORT + ' in Firefox/Chrome.\n\n\
+Some important notes:\n\
   * Note the HTTPS; there is no HTTP -> HTTPS redirect.\n\
-  * You\'ll also need to accept the invalid TLS certificate.\n'
+  * You\'ll also need to accept the invalid TLS certificate.\n\
+  * Some browsers or OSs may not allow the webcam to be used by multiple pages at once. You may need to use two different browsers or machines.\n'
 );