diff --git a/src/plugins/qed/term.ml b/src/plugins/qed/term.ml
index ea395a42ef1aa19c58aa4a70f9269ef7fcfc6024..304e4eabaad1e6fed91c230525546a341a383d3a 100644
--- a/src/plugins/qed/term.ml
+++ b/src/plugins/qed/term.ml
@@ -1327,7 +1327,7 @@ struct
   and i_affine_ratio_leq c xs ys =
     try match i_ratio xs , i_ratio ys with
       | POS(a,k) , NONE ->
-        (* c + a/k <= ys <==>  a/k <= -c+ys *)
+          (* c + a/k <= ys <==>  a/k <= -c+ys *)
           i_ratio_max a k (Z.neg c,ys)
       | NEG(a,k) , NONE ->
           (* c - a/k <= ys <==> c-ys <= a/k  *)