5 files changed, 5 insertions, 5 deletions
diff --git a/Library/Homebrew/cmd/fetch.rb b/Library/Homebrew/cmd/fetch.rb
index 93141ca5b..9c42eda23 100644
--- a/Library/Homebrew/cmd/fetch.rb
+++ b/Library/Homebrew/cmd/fetch.rb
@@ -19,7 +19,7 @@
 #:    bottle.
 #:
 #:    If `--force-bottle` is passed, download a bottle if it exists for the current
-#:    version of OS X, even if it would not be used during installation.
+#:    version of macOS, even if it would not be used during installation.
 
 require "formula"
 
diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index 99cb75353..b2b3eb7c0 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -34,7 +34,7 @@
 #:
 #     Hidden developer option:
 #     If `--force-bottle` is passed, install from a bottle if it exists
-#    for the current version of OS X, even if custom options are given.
+#    for the current version of macOS, even if custom options are given.
 #
 #:    If `--devel` is passed, and <formula> defines it, install the development version.
 #:
diff --git a/Library/Homebrew/cmd/linkapps.rb b/Library/Homebrew/cmd/linkapps.rb
index a4e4326f2..c7685855f 100644
--- a/Library/Homebrew/cmd/linkapps.rb
+++ b/Library/Homebrew/cmd/linkapps.rb
@@ -1,5 +1,5 @@
 #:  * `linkapps` [`--local`] [<formulae>]:
-#:    Find installed formulae that provide `.app`-style OS X apps and symlink them
+#:    Find installed formulae that provide `.app`-style macOS apps and symlink them
 #:    into `/Applications`, allowing for easier access.
 #:
 #:    If no <formulae> are provided, all of them will have their apps symlinked.
diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 8f02579c3..b57691893 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -23,7 +23,7 @@ git() {
 }
 
 git_init_if_necessary() {
-  if [[ -n "$HOMEBREW_OSX" ]]
+  if [[ -n "$HOMEBREW_MACOS" ]]
   then
     BREW_OFFICIAL_REMOTE="https://github.com/Homebrew/brew"
     CORE_OFFICIAL_REMOTE="https://github.com/Homebrew/homebrew-core"
diff --git a/Library/Homebrew/cmd/vendor-install.sh b/Library/Homebrew/cmd/vendor-install.sh
index ca64789bc..8f08e49fb 100644
--- a/Library/Homebrew/cmd/vendor-install.sh
+++ b/Library/Homebrew/cmd/vendor-install.sh
@@ -9,7 +9,7 @@ source "$HOMEBREW_LIBRARY/Homebrew/utils/lock.sh"
 VENDOR_DIR="$HOMEBREW_LIBRARY/Homebrew/vendor"
 
 # Built from https://github.com/Homebrew/homebrew-portable.
-if [[ -n "$HOMEBREW_OSX" ]]
+if [[ -n "$HOMEBREW_MACOS" ]]
 then
   if [[ "$HOMEBREW_PROCESSOR" = "Intel" ]]
   then