1 files changed, 4 insertions, 0 deletions

diff --git a/viewer/readme.md b/viewer/readme.md
index 864dcc6..3757f3e 100644
--- a/viewer/readme.md
+++ b/viewer/readme.md
@@ -8,6 +8,10 @@ npm install
 ```
 
 ### Compiles and hot-reloads for development
+
+The viewer DevServer will serve the compiled version of the example gallery by default.
+To override, create a file .env.development.local
+
 ```
 npm run serve
 ```