diff --git a/README.org b/README.org
index 7a382d9..b7dfcd0 100644
--- a/README.org
+++ b/README.org
@@ -20,14 +20,21 @@ possible without his help. Make sure to check out his repo too.
 Also make sure to check out [[https://github.com/deboogerxyz/ahc][deboogerxyz/ahc]].
 
 * Building
-
 #+begin_src console
-$ git clone https://github.com/8dcc/hl-cheat
+$ git clone --recurse-submodules https://github.com/8dcc/hl-cheat
 $ cd hl-cheat
 $ make
 ...
 #+end_src
 
+Note that you will need to clone with =--recurse-submodules= for the sdk. If you
+have already cloned it, you can just:
+
+#+begin_src console
+$ cd hl-cheat
+$ git submodule update --init --recursive
+#+end_src
+
 * Injecting
 Uses the [[https://www.gnu.org/savannah-checkouts/gnu/gdb/index.html][gdb]] debugger for injecting the library.