diff --git a/crates/edit_prediction_ui/src/edit_prediction_button.rs b/crates/edit_prediction_ui/src/edit_prediction_button.rs
index 0a90a90b76..bd029b0a21 100644
--- a/crates/edit_prediction_ui/src/edit_prediction_button.rs
+++ b/crates/edit_prediction_ui/src/edit_prediction_button.rs
@@ -822,7 +822,12 @@ impl EditPredictionButton {
                     ContextMenuEntry::new("Subtle")
                         .toggleable(IconPosition::Start, subtle_mode)
                         .documentation_aside(DocumentationSide::Left, move |_| {
-                            Label::new("Display predictions inline only when holding a modifier key (alt by default).").into_any_element()
+                            Label::new(concat!(
+                                "Display predictions inline only when holding a modifier key (",
+                                ui::alt_key_name!(),
+                                " by default)."
+                            ))
+                            .into_any_element()
                         })
                         .handler({
                             let fs = fs.clone();
diff --git a/crates/git_ui/src/branch_picker.rs b/crates/git_ui/src/branch_picker.rs
index d9272e5fdf..a7989c422c 100644
--- a/crates/git_ui/src/branch_picker.rs
+++ b/crates/git_ui/src/branch_picker.rs
@@ -883,7 +883,7 @@ impl Render for DeleteBranchTooltip {
             Tooltip::with_meta_in(
                 "Delete Branch",
                 Some(&branch_picker::DeleteBranch),
-                "Hold alt to force delete",
+                concat!("Hold ", ui::alt_key_name!(), " to force delete"),
                 &self.focus_handle,
                 cx,
             )
diff --git a/crates/git_ui_core/src/worktree_picker.rs b/crates/git_ui_core/src/worktree_picker.rs
index 5a4b278bbc..d518bee626 100644
--- a/crates/git_ui_core/src/worktree_picker.rs
+++ b/crates/git_ui_core/src/worktree_picker.rs
@@ -413,7 +413,7 @@ impl Render for DeleteWorktreeTooltip {
             Tooltip::with_meta_in(
                 "Delete Worktree",
                 Some(&DeleteWorktree),
-                "Hold alt to force delete",
+                concat!("Hold ", ui::alt_key_name!(), " to force delete"),
                 &self.focus_handle,
                 cx,
             )
diff --git a/crates/keymap_editor/src/keymap_editor.rs b/crates/keymap_editor/src/keymap_editor.rs
index 7ce1740115..bc27d0b13b 100644
--- a/crates/keymap_editor/src/keymap_editor.rs
+++ b/crates/keymap_editor/src/keymap_editor.rs
@@ -1163,7 +1163,7 @@ impl KeymapEditor {
                         Tooltip::with_meta(
                             "View conflicts",
                             Some(&ToggleConflictFilter),
-                            "Use alt+click to show all conflicts",
+                            concat!("Use ", ui::alt_key_name!(), "+click to show all conflicts"),
                             cx,
                         )
                     })
@@ -1193,11 +1193,15 @@ impl KeymapEditor {
                     }))
             } else {
                 base_button_style(index, IconName::Info)
-                    .tooltip(|_window, cx|  {
+                    .tooltip(|_window, cx| {
                         Tooltip::with_meta(
                             "Show matching keybinds",
                             Some(&ShowMatchingKeybinds),
-                            "This binding is overridden by other bindings.\nUse alt+click to edit this binding",
+                            concat!(
+                                "This binding is overridden by other bindings.\nUse ",
+                                ui::alt_key_name!(),
+                                "+click to edit this binding"
+                            ),
                             cx,
                         )
                     })
diff --git a/crates/ui/src/styles/platform.rs b/crates/ui/src/styles/platform.rs
index 0d873a2ff2..cee7dfe013 100644
--- a/crates/ui/src/styles/platform.rs
+++ b/crates/ui/src/styles/platform.rs
@@ -1,3 +1,21 @@
+/// Expands to a literal so platform-specific hints can use `concat!` without allocating.
+#[cfg(target_os = "macos")]
+#[macro_export]
+macro_rules! alt_key_name {
+    () => {
+        "option"
+    };
+}
+
+/// Expands to a literal so platform-specific hints can use `concat!` without allocating.
+#[cfg(not(target_os = "macos"))]
+#[macro_export]
+macro_rules! alt_key_name {
+    () => {
+        "alt"
+    };
+}
+
 /// The platform style to use when rendering UI.
 ///
 /// This can be used to abstract over platform differences.