diff --git a/tests/ui/manual_split_once.fixed b/tests/ui/manual_split_once.fixed
index d5113df56..24ac364ff 100644
--- a/tests/ui/manual_split_once.fixed
+++ b/tests/ui/manual_split_once.fixed
@@ -46,7 +46,7 @@ fn main() {
 
 fn _msrv_1_51() {
     #![clippy::msrv = "1.51"]
-    // `str::split_once` was stabilized in 1.16. Do not lint this
+    // `str::split_once` was stabilized in 1.52. Do not lint this
     let _ = "key=value".splitn(2, '=').nth(1).unwrap();
 }
 
diff --git a/tests/ui/manual_split_once.rs b/tests/ui/manual_split_once.rs
index 80e02952d..85c0c7d69 100644
--- a/tests/ui/manual_split_once.rs
+++ b/tests/ui/manual_split_once.rs
@@ -46,7 +46,7 @@ fn main() {
 
 fn _msrv_1_51() {
     #![clippy::msrv = "1.51"]
-    // `str::split_once` was stabilized in 1.16. Do not lint this
+    // `str::split_once` was stabilized in 1.52. Do not lint this
     let _ = "key=value".splitn(2, '=').nth(1).unwrap();
 }