Typo.

diff --git a/README.md b/README.md
index 82dcf74..1bf3e1f 100644 (file)
--- a/README.md
+++ b/README.md
@@ -39,6 +39,6 @@ small images), the simulation may be stuck.
 
 ```
 make -j -k
-./built.py
+./build.py
 ./flatland-test.py
 ```