diff --git a/src/Lean/Elab/Tactic/Split.lean b/src/Lean/Elab/Tactic/Split.lean
index 0dfc66909843..b5f6444a6201 100644
--- a/src/Lean/Elab/Tactic/Split.lean
+++ b/src/Lean/Elab/Tactic/Split.lean
@@ -21,12 +21,12 @@ open Meta
       throwErrorAt stx[2] "'split' tactic failed, select a single target to split"
     if simplifyTarget then
       liftMetaTactic fun mvarId => do
-       let some mvarIds ← splitTarget? mvarId | Meta.throwTacticEx `split mvarId "consider using `set_option trace.split.failures true`"
+       let some mvarIds ← splitTarget? mvarId | Meta.throwTacticEx `split mvarId "consider using `set_option trace.split.failure true`"
         return mvarIds
     else
       let fvarId ← getFVarId hyps[0]!
       liftMetaTactic fun mvarId => do
-        let some mvarIds ← splitLocalDecl? mvarId fvarId | Meta.throwTacticEx `split mvarId "consider using `set_option trace.split.failures true`"
+        let some mvarIds ← splitLocalDecl? mvarId fvarId | Meta.throwTacticEx `split mvarId "consider using `set_option trace.split.failure true`"
         return mvarIds
   | Location.wildcard =>
     liftMetaTactic fun mvarId => do
@@ -34,7 +34,7 @@ open Meta
       for fvarId in fvarIds do
         if let some mvarIds ← splitLocalDecl? mvarId fvarId then
           return mvarIds
-      let some mvarIds ← splitTarget? mvarId | Meta.throwTacticEx `split mvarId "consider using `set_option trace.split.failures true`"
+      let some mvarIds ← splitTarget? mvarId | Meta.throwTacticEx `split mvarId "consider using `set_option trace.split.failure true`"
       return mvarIds
 
 end Lean.Elab.Tactic
diff --git a/tests/lean/run/4390.lean b/tests/lean/run/4390.lean
index 4306f00ae0de..5e10f4c31ca3 100644
--- a/tests/lean/run/4390.lean
+++ b/tests/lean/run/4390.lean
@@ -11,7 +11,7 @@ termination_by state
 decreasing_by sorry
 
 /--
-error: tactic 'split' failed, consider using `set_option trace.split.failures true`
+error: tactic 'split' failed, consider using `set_option trace.split.failure true`
 state : Nat
 p :
   (match h : step state with