1 files changed, 6 insertions, 6 deletions
diff --git a/README b/README
index 4374e16..3352f2b 100644
--- a/README
+++ b/README
@@ -5,8 +5,8 @@ A firmware Sketch for the Keyboardio Model 01.  Based algerno's:
 https://git.madhouse-project.org/algernon/Model01-Sketch#base-layer
 
 
-Build
-=====
+Build firmware
+==============
 
 On Debian systems, the following packages are required:
 
@@ -38,7 +38,7 @@ Initialize (or update) submodules:
 
 To enable communicating with the host via a simple Serial protocol, use
 
-    ~$ ENABLE_SERIAL=1 make
+    ~$ ENABLE_SERIAL=yes make
 
 
 Flash firmware
@@ -50,10 +50,10 @@ Press down the 'prog' key while the board is rebooting.  You can release
 it once it glows red.
 
 
-Apply the color map
-===================
+Apply color map
+===============
 
     ~$ make apply-colormap
 
 This requires a firmware supporting the Serial protocol.  (Add
-ENABLE_SERIAL=1 to the build environment.)
+ENABLE_SERIAL=yes to the build environment.)