diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl
index 8c740d87e9535..b8f610e569670 100644
--- a/compiler/rustc_hir_analysis/messages.ftl
+++ b/compiler/rustc_hir_analysis/messages.ftl
@@ -194,7 +194,7 @@ hir_analysis_inherent_ty_outside = cannot define inherent `impl` for a type outs
     .span_help = alternatively add `#[rustc_has_incoherent_inherent_impls]` to the type and `#[rustc_allow_incoherent_impl]` to the relevant impl items
 
 hir_analysis_inherent_ty_outside_new = cannot define inherent `impl` for a type outside of the crate where the type is defined
-    .label = impl for type defined outside of crate.
+    .label = impl for type defined outside of crate
     .note = define and implement a trait or new type instead
 
 hir_analysis_inherent_ty_outside_primitive = cannot define inherent `impl` for primitive types outside of `core`
diff --git a/tests/ui/error-codes/E0116.stderr b/tests/ui/error-codes/E0116.stderr
index bf215435ba6a0..1ea5a57f46db1 100644
--- a/tests/ui/error-codes/E0116.stderr
+++ b/tests/ui/error-codes/E0116.stderr
@@ -2,7 +2,7 @@ error[E0116]: cannot define inherent `impl` for a type outside of the crate wher
   --> $DIR/E0116.rs:1:1
    |
 LL | impl Vec<u8> {}
-   | ^^^^^^^^^^^^ impl for type defined outside of crate.
+   | ^^^^^^^^^^^^ impl for type defined outside of crate
    |
    = note: define and implement a trait or new type instead
 
diff --git a/tests/ui/incoherent-inherent-impls/no-attr-empty-impl.stderr b/tests/ui/incoherent-inherent-impls/no-attr-empty-impl.stderr
index 6dc1680cf89f8..f8491697910c0 100644
--- a/tests/ui/incoherent-inherent-impls/no-attr-empty-impl.stderr
+++ b/tests/ui/incoherent-inherent-impls/no-attr-empty-impl.stderr
@@ -2,7 +2,7 @@ error[E0116]: cannot define inherent `impl` for a type outside of the crate wher
   --> $DIR/no-attr-empty-impl.rs:4:1
    |
 LL | impl extern_crate::StructWithAttr {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate.
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate
    |
    = note: define and implement a trait or new type instead
 
@@ -10,7 +10,7 @@ error[E0116]: cannot define inherent `impl` for a type outside of the crate wher
   --> $DIR/no-attr-empty-impl.rs:7:1
    |
 LL | impl extern_crate::StructNoAttr {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate.
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate
    |
    = note: define and implement a trait or new type instead
 
@@ -18,7 +18,7 @@ error[E0116]: cannot define inherent `impl` for a type outside of the crate wher
   --> $DIR/no-attr-empty-impl.rs:10:1
    |
 LL | impl extern_crate::EnumWithAttr {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate.
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate
    |
    = note: define and implement a trait or new type instead
 
@@ -26,7 +26,7 @@ error[E0116]: cannot define inherent `impl` for a type outside of the crate wher
   --> $DIR/no-attr-empty-impl.rs:13:1
    |
 LL | impl extern_crate::EnumNoAttr {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate.
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl for type defined outside of crate
    |
    = note: define and implement a trait or new type instead
 
diff --git a/tests/ui/traits/trait-or-new-type-instead.stderr b/tests/ui/traits/trait-or-new-type-instead.stderr
index 17ee939887864..5f5aa3ac56982 100644
--- a/tests/ui/traits/trait-or-new-type-instead.stderr
+++ b/tests/ui/traits/trait-or-new-type-instead.stderr
@@ -2,7 +2,7 @@ error[E0116]: cannot define inherent `impl` for a type outside of the crate wher
   --> $DIR/trait-or-new-type-instead.rs:1:1
    |
 LL | impl<T> Option<T> {
-   | ^^^^^^^^^^^^^^^^^ impl for type defined outside of crate.
+   | ^^^^^^^^^^^^^^^^^ impl for type defined outside of crate
    |
    = note: define and implement a trait or new type instead