diff --git a/docs/aeso_compiler.md b/docs/aeso_compiler.md
index 4798ad4..61ee7aa 100644
--- a/docs/aeso_compiler.md
+++ b/docs/aeso_compiler.md
@@ -53,6 +53,8 @@ The **pp_** options all print to standard output the following:
 
 The option `include_child_contract_symbols` includes the symbols of child contracts functions in the generated fate code. It is turned off by default to avoid making contracts bigger on chain.
 
+The option `debug_info` includes information related to debugging in the compiler output. Currently this option only includes the mapping from variables to registers.
+
 #### Options to control which compiler optimizations should run:
 
 By default all optimizations are turned on, to disable an optimization, it should be