Fix instructions in README.md

Author: aheev

README.md

@@ -3,11 +3,12 @@
 Packaging follows Debian source format 3.0 (quilt).
 
 To build from upstream source:
-  1. Download the Ladybug release tarball.
-  2. Rename it to ladybug_\<version\>.orig.tar.gz.
+  1. Download the Ladybug release tarball
+  2. Rename it to ladybug_\<version\>.orig.tar.gz
   3. Extract the tarball to a new directory. Don't delete the tarball after extraction, we need it for the build process
-  4. Copy the `debian/` directory from this repository into the extracted directory and `cd` into it.
-  5. Run `export DH_BUILD_SYSTEM=cmake_ninja && dpkg-buildpackage -us -uc`
+  4. `cd` into the extracted directory
+  5. Copy the `debian/` directory from this repository into the extracted directory
+  6. Run `export DH_BUILD_SYSTEM=cmake_ninja && dpkg-buildpackage -us -uc`
 
 ## References
 - https://arnaudr.io/2016/01/14/first-debian-package/