diff --git a/docs/state_compressor.md b/docs/state_compressor.md
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--- a/docs/state_compressor.md
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@@ -1,3 +1,5 @@
+TODO: Update with final contents of README after PR #70 merged in rust-synapse-compress-state repo
+
 # State compressor
 
 The state compressor is an **experimental** tool that attempts to reduce the number of rows