diff --git a/src/Init/Notation.lean b/src/Init/Notation.lean
index bdda844f90..af69e0dcf7 100644
--- a/src/Init/Notation.lean
+++ b/src/Init/Notation.lean
@@ -320,7 +320,7 @@ macro "admit" : tactic => `(exact sorry)
 macro "sorry" : tactic => `(exact sorry)
 macro "inferInstance" : tactic => `(exact inferInstance)
 
-/- Optional configuration option for tactics -/
+/-- Optional configuration option for tactics -/
 syntax config := ("(" &"config" " := " term ")")
 
 syntax locationWildcard := "*"