diff --git a/README.markdown b/README.markdown
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+++ b/README.markdown
@@ -1,5 +1,7 @@
 # TinyGo - Go compiler for microcontrollers
 
+[![Documentation Status](https://readthedocs.org/projects/tinygo/badge/?version=latest)](https://tinygo.readthedocs.io/)
+
 > We never expected Go to be an embedded language and so it's got serious
 > problems [...].