diff --git a/docs/Manpage.md b/docs/Manpage.md
index 5e431601e9..f2ba7eb44f 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -1700,7 +1700,7 @@ run `brew upgrade` and/or `brew cleanup` respectively. Pass `--enable-notificati
to send a notification when the autoupdate process has finished successfully.
`brew autoupdate stop`
-
Stop autoupdating, but retain plist & logs.
+
Stop autoupdating, but retain plist and logs.
`brew autoupdate delete`
Cancel the autoupdate, delete the plist and logs.
@@ -1718,7 +1718,7 @@ to send a notification when the autoupdate process has finished successfully.
* `--cleanup`:
Automatically clean brew's cache and logs. Must be passed with `start`.
* `--enable-notification`:
- Send a notification when the autoupdate process has finished successfully, if `terminal-notifier` is installed & found. Must be passed with `start`.
+ Send a notification when the autoupdate process has finished successfully, if `terminal-notifier` is installed and found. Must be passed with `start`. Note: notifications are enabled by default on macOS Catalina and newer.
* `--immediate`:
Starts the autoupdate command immediately, instead of waiting for one interval (24 hours by default) to pass first. Must be passed with `start`.
diff --git a/manpages/brew.1 b/manpages/brew.1
index 1c92ee17fa..43bd45a228 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -2414,7 +2414,7 @@ This script will run \fBbrew update\fR in the background once every 24 hours (by
.
.P
\fBbrew autoupdate stop\fR
- Stop autoupdating, but retain plist & logs\.
+ Stop autoupdating, but retain plist and logs\.
.
.P
\fBbrew autoupdate delete\fR
@@ -2442,7 +2442,7 @@ Automatically clean brew\'s cache and logs\. Must be passed with \fBstart\fR\.
.
.TP
\fB\-\-enable\-notification\fR
-Send a notification when the autoupdate process has finished successfully, if \fBterminal\-notifier\fR is installed & found\. Must be passed with \fBstart\fR\.
+Send a notification when the autoupdate process has finished successfully, if \fBterminal\-notifier\fR is installed and found\. Must be passed with \fBstart\fR\. Note: notifications are enabled by default on macOS Catalina and newer\.
.
.TP
\fB\-\-immediate\fR