diff --git a/compiler/dcalc/dcalc.mld b/compiler/dcalc/dcalc.mld
index b5ba13d4..809ea194 100644
--- a/compiler/dcalc/dcalc.mld
+++ b/compiler/dcalc/dcalc.mld
@@ -15,7 +15,7 @@ Related modules:
 
 {!modules: Dcalc.Ast}
 
-{ 1 Invariants }
+{1 Invariants }
 
 While Dcalc is a superset of a fully-fledged simply typed lambda calculus,
 the Dcalc code actually generated from the previous intermediate representation