2 files changed, 11 insertions, 0 deletions
diff --git a/HACKING b/HACKING
new file mode 100644
index 0000000..5652e49
--- /dev/null
+++ b/HACKING
@@ -0,0 +1,9 @@
+Read this before submitting patches:
+
+    http://leaflabs.com/docs/libmaple/contributing.html
+
+In particular, patches without sign-off lines will not be accepted.
+
+LeafLabs is a small shop.  Please help us merge your patches
+efficiently by getting formatting nits etc. out of the way before
+submitting.
diff --git a/README b/README
index cbc4ada..1dbba13 100644
--- a/README
+++ b/README
@@ -12,6 +12,8 @@ The latest version of this repository can be found here:
 
     https://github.com/leaflabs/libmaple
 
+IMPORTANT: read HACKING _before_ submitting patches.
+
 General information
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