diff --git a/README.md b/README.md
index 89d02fa7..da5a79ca 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ A python script to generate data from custom LaTeX input file see  [examples](do
 The `metarecover` python script is used to regenerate the metadata from the previous git history state.
 So you can remove a data file to regenerate it from a LaTeX input file with `datafileBuilder` and recover the metadata from the previous version using `metarecover`.
 
-### ADC25generator
+#### ADC25generator
 
 The `ADC25generator` is used to build  `ADC(2.5)` data files from  `ADC(2)` and `ADC(3)` data files