diff --git a/.gitignore b/.gitignore
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index 0000000..c745919
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+bin
+build
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+Don't forget to run `git submodule update --init --recursive` to pull in the latest DPF and its submodules before compiling with `make`.