diff --git a/README.md b/README.md
index ba492a9..a1dd06b 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,19 @@ Nothing special, just build it ("dpkg-buildpackage -b")
 
 ## Building under wheezy
 
-First run "prepare-wheezy-tree.sh". This will create a package tre in
+First run "prepare-wheezy-tree.sh". This will create a package tree in
 package-wheezy/. Build in there ("dpkg-buildpackage -b")
 
 The wheezy build does not include bladeRF support.
+
+## Building manually
+
+You can probably just run "make" after installing the required dependencies.
+Binaries are built in the source directory; you will need to arrange to
+install them (and a method for starting them) yourself.
+
+"make BLADERF=no" will disable bladeRF support and remove the dependency on
+libbladeRF.
+
+"make RTLSDR=no" will disable rtl-sdr support and remove the dependency on
+librtlsdr.