README.md: Fix 'How to Build' instructions again

48a1d3cb · Jussi Kivilinna · afb82026 · 48a1d3cb
Commit 48a1d3cb authored Sep 17, 2015 by Jussi Kivilinna
--- a/README.md
+++ b/README.md
@@ -28,8 +28,9 @@ sudo apt-get install gcc-arm-none-eabi
 How to Build:

 ```
-cd nuttx/
-./tools/configure.sh haltian_tsone/retail
+cd nuttx/tools
+./configure.sh haltian_tsone/retail
+cd ..
 make
 ```