diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs
index 84970e7c162b..0c839f94f7f1 100644
--- a/compiler/rustc_errors/src/emitter.rs
+++ b/compiler/rustc_errors/src/emitter.rs
@@ -409,7 +409,7 @@ pub trait Emitter {
                 if !redundant_span || always_backtrace {
                     let msg: Cow<'static, _> = match trace.kind {
                         ExpnKind::Macro(MacroKind::Attr, _) => {
-                            "this procedural macro expansion".into()
+                            "this attribute macro expansion".into()
                         }
                         ExpnKind::Macro(MacroKind::Derive, _) => {
                             "this derive macro expansion".into()
diff --git a/src/tools/miri/tests/fail/alloc/alloc_error_handler_custom.stderr b/src/tools/miri/tests/fail/alloc/alloc_error_handler_custom.stderr
index 29c56ca81f75..a2a4be30eca4 100644
--- a/src/tools/miri/tests/fail/alloc/alloc_error_handler_custom.stderr
+++ b/src/tools/miri/tests/fail/alloc/alloc_error_handler_custom.stderr
@@ -11,7 +11,7 @@ note: inside `_::__rg_oom`
   --> tests/fail/alloc/alloc_error_handler_custom.rs:LL:CC
    |
 LL | #[alloc_error_handler]
-   | ---------------------- in this procedural macro expansion
+   | ---------------------- in this attribute macro expansion
 LL | fn alloc_error_handler(layout: Layout) -> ! {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: inside `alloc::alloc::handle_alloc_error::rt_error` at RUSTLIB/alloc/src/alloc.rs:LL:CC
diff --git a/tests/ui/alloc-error/alloc-error-handler-bad-signature-1.stderr b/tests/ui/alloc-error/alloc-error-handler-bad-signature-1.stderr
index 15314fac37b2..aad45c422e2b 100644
--- a/tests/ui/alloc-error/alloc-error-handler-bad-signature-1.stderr
+++ b/tests/ui/alloc-error/alloc-error-handler-bad-signature-1.stderr
@@ -2,7 +2,7 @@ error[E0308]: mismatched types
   --> $DIR/alloc-error-handler-bad-signature-1.rs:10:1
    |
 LL |    #[alloc_error_handler]
-   |    ---------------------- in this procedural macro expansion
+   |    ---------------------- in this attribute macro expansion
 LL | // fn oom(
 LL | ||     info: &Layout,
 LL | || ) -> ()
@@ -23,7 +23,7 @@ error[E0308]: mismatched types
   --> $DIR/alloc-error-handler-bad-signature-1.rs:10:1
    |
 LL |    #[alloc_error_handler]
-   |    ---------------------- in this procedural macro expansion
+   |    ---------------------- in this attribute macro expansion
 LL | // fn oom(
 LL | ||     info: &Layout,
 LL | || ) -> ()
diff --git a/tests/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr b/tests/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr
index 2ab426384112..581d19474191 100644
--- a/tests/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr
+++ b/tests/ui/alloc-error/alloc-error-handler-bad-signature-2.stderr
@@ -2,7 +2,7 @@ error[E0308]: mismatched types
   --> $DIR/alloc-error-handler-bad-signature-2.rs:10:1
    |
 LL |    #[alloc_error_handler]
-   |    ---------------------- in this procedural macro expansion
+   |    ---------------------- in this attribute macro expansion
 LL | // fn oom(
 LL | ||     info: Layout,
 LL | || ) {
@@ -31,7 +31,7 @@ error[E0308]: mismatched types
   --> $DIR/alloc-error-handler-bad-signature-2.rs:10:1
    |
 LL |    #[alloc_error_handler]
-   |    ---------------------- in this procedural macro expansion
+   |    ---------------------- in this attribute macro expansion
 LL | // fn oom(
 LL | ||     info: Layout,
 LL | || ) {
diff --git a/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr b/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr
index 3a410174f548..91147df71eb4 100644
--- a/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr
+++ b/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr
@@ -2,7 +2,7 @@ error[E0061]: this function takes 0 arguments but 1 argument was supplied
   --> $DIR/alloc-error-handler-bad-signature-3.rs:10:1
    |
 LL |   #[alloc_error_handler]
-   |   ---------------------- in this procedural macro expansion
+   |   ---------------------- in this attribute macro expansion
 LL |   fn oom() -> ! {
    |  _-^^^^^^^^^^^^
 LL | |     loop {}
diff --git a/tests/ui/allocator/not-an-allocator.stderr b/tests/ui/allocator/not-an-allocator.stderr
index 079bf9334ebc..f33a698ed781 100644
--- a/tests/ui/allocator/not-an-allocator.stderr
+++ b/tests/ui/allocator/not-an-allocator.stderr
@@ -2,7 +2,7 @@ error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
   --> $DIR/not-an-allocator.rs:2:11
    |
 LL | #[global_allocator]
-   | ------------------- in this procedural macro expansion
+   | ------------------- in this attribute macro expansion
 LL | static A: usize = 0;
    |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
    |
@@ -12,7 +12,7 @@ error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
   --> $DIR/not-an-allocator.rs:2:11
    |
 LL | #[global_allocator]
-   | ------------------- in this procedural macro expansion
+   | ------------------- in this attribute macro expansion
 LL | static A: usize = 0;
    |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
    |
@@ -23,7 +23,7 @@ error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
   --> $DIR/not-an-allocator.rs:2:11
    |
 LL | #[global_allocator]
-   | ------------------- in this procedural macro expansion
+   | ------------------- in this attribute macro expansion
 LL | static A: usize = 0;
    |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
    |
@@ -34,7 +34,7 @@ error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
   --> $DIR/not-an-allocator.rs:2:11
    |
 LL | #[global_allocator]
-   | ------------------- in this procedural macro expansion
+   | ------------------- in this attribute macro expansion
 LL | static A: usize = 0;
    |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
    |
diff --git a/tests/ui/allocator/two-allocators.stderr b/tests/ui/allocator/two-allocators.stderr
index 5308232a20b5..1a9a5910eecc 100644
--- a/tests/ui/allocator/two-allocators.stderr
+++ b/tests/ui/allocator/two-allocators.stderr
@@ -4,7 +4,7 @@ error: cannot define multiple global allocators
 LL | static A: System = System;
    | -------------------------- previous global allocator defined here
 LL | #[global_allocator]
-   | ------------------- in this procedural macro expansion
+   | ------------------- in this attribute macro expansion
 LL | static B: System = System;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot define a new global allocator
 
diff --git a/tests/ui/custom_test_frameworks/mismatch.stderr b/tests/ui/custom_test_frameworks/mismatch.stderr
index c7798635fbf1..7cdfaa9e804e 100644
--- a/tests/ui/custom_test_frameworks/mismatch.stderr
+++ b/tests/ui/custom_test_frameworks/mismatch.stderr
@@ -2,7 +2,7 @@ error[E0277]: the trait bound `TestDescAndFn: Testable` is not satisfied
   --> $DIR/mismatch.rs:9:1
    |
 LL | #[test]
-   | ------- in this procedural macro expansion
+   | ------- in this attribute macro expansion
 LL | fn wrong_kind(){}
    | ^^^^^^^^^^^^^^^^^ the trait `Testable` is not implemented for `TestDescAndFn`
    |
diff --git a/tests/ui/proc-macro/span-from-proc-macro.stderr b/tests/ui/proc-macro/span-from-proc-macro.stderr
index 452c04df8779..c79ab04eadf4 100644
--- a/tests/ui/proc-macro/span-from-proc-macro.stderr
+++ b/tests/ui/proc-macro/span-from-proc-macro.stderr
@@ -10,7 +10,7 @@ LL |             field: MissingType
   ::: $DIR/span-from-proc-macro.rs:8:1
    |
 LL | #[error_from_attribute]
-   | ----------------------- in this procedural macro expansion
+   | ----------------------- in this attribute macro expansion
 
 error[E0412]: cannot find type `OtherMissingType` in this scope
   --> $DIR/auxiliary/span-from-proc-macro.rs:42:21
diff --git a/tests/ui/rfcs/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr b/tests/ui/rfcs/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr
index b89c5e8dda84..020c2e6f2419 100644
--- a/tests/ui/rfcs/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr
+++ b/tests/ui/rfcs/rfc-1937-termination-trait/termination-trait-test-wrong-type.stderr
@@ -2,7 +2,7 @@ error[E0277]: the trait bound `f32: Termination` is not satisfied
   --> $DIR/termination-trait-test-wrong-type.rs:6:31
    |
 LL | #[test]
-   | ------- in this procedural macro expansion
+   | ------- in this attribute macro expansion
 LL | fn can_parse_zero_as_f32() -> Result<f32, ParseFloatError> {
    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Termination` is not implemented for `f32`
    |
diff --git a/tests/ui/test-attrs/issue-12997-2.stderr b/tests/ui/test-attrs/issue-12997-2.stderr
index 1123630a4a1f..41d0074ad1a2 100644
--- a/tests/ui/test-attrs/issue-12997-2.stderr
+++ b/tests/ui/test-attrs/issue-12997-2.stderr
@@ -2,7 +2,7 @@ error[E0308]: mismatched types
   --> $DIR/issue-12997-2.rs:8:1
    |
 LL | #[bench]
-   | -------- in this procedural macro expansion
+   | -------- in this attribute macro expansion
 LL | fn bar(x: isize) { }
    | ^^^^^^^^^^^^^^^^^^^^
    | |
diff --git a/tests/ui/test-attrs/test-function-signature.stderr b/tests/ui/test-attrs/test-function-signature.stderr
index c025163c0bd9..55d09970b320 100644
--- a/tests/ui/test-attrs/test-function-signature.stderr
+++ b/tests/ui/test-attrs/test-function-signature.stderr
@@ -26,7 +26,7 @@ error[E0277]: the trait bound `i32: Termination` is not satisfied
   --> $DIR/test-function-signature.rs:9:13
    |
 LL | #[test]
-   | ------- in this procedural macro expansion
+   | ------- in this attribute macro expansion
 LL | fn bar() -> i32 {
    |             ^^^ the trait `Termination` is not implemented for `i32`
    |