Small README fix related to docker build

ajbozarth · ajbozarth · commit 07e967df033a · 2018-04-19T19:55:08.000-07:00
diff --git a/README.md b/README.md
@@ -34,7 +34,7 @@ to map the 8088 port:
 
 Build the web app image by running:
 
-    docker build -t web app
+    docker build -t webapp .
 
 Run the web app container using:
 
