diff --git a/.github/ISSUE_TEMPLATE/bug.md b/.github/ISSUE_TEMPLATE/bug.md
index c1f9109643..8e1285515d 100644
--- a/.github/ISSUE_TEMPLATE/bug.md
+++ b/.github/ISSUE_TEMPLATE/bug.md
@@ -6,6 +6,6 @@ Before opening:
Bug reports must include:
-- Operating system and version (Windows, Mac OS X, Android, iOS, Win10 Mobile)
+- Operating system and version (Windows, macOS, Android, iOS, Win10 Mobile)
- Browser and version (Chrome, Firefox, Safari, IE, MS Edge, Opera 15+, Android Browser)
- [Reduced test case](https://css-tricks.com/reduced-test-cases/) and suggested fix using [CodePen](https://codepen.io/) or [JS Bin](https://jsbin.com/)
diff --git a/_data/browser-bugs.yml b/_data/browser-bugs.yml
index 1ef63f26cd..ceb2e5f5f6 100644
--- a/_data/browser-bugs.yml
+++ b/_data/browser-bugs.yml
@@ -160,7 +160,7 @@
-
browser: >
- Firefox (OS X & Linux)
+ Firefox (macOS & Linux)
summary: >
Badge widget causes bottom border of Tabs widget to unexpectedly not overlap
upstream_bug: >
@@ -180,7 +180,7 @@
-
browser: >
- Chrome (OS X)
+ Chrome (macOS)
summary: >
Clicking above `` increment button flashes the decrement button.
upstream_bug: >
@@ -290,7 +290,7 @@
-
browser: >
- Safari (OS X)
+ Safari (macOS)
summary: >
`px`, `em`, and `rem` should all behave the same in media queries when page zoom is applied
upstream_bug: >
@@ -300,7 +300,7 @@
-
browser: >
- Safari (OS X)
+ Safari (macOS)
summary: >
Weird button behavior with some `` elements.
upstream_bug: >
@@ -312,7 +312,7 @@
-
browser: >
- Safari (OS X)
+ Safari (macOS)
summary: >
Small font size when printing webpage with fixed-width `.container`.
upstream_bug: >