diff --git a/docs/Manpage.md b/docs/Manpage.md
index 08de85affe538..97f63b5fc73e8 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -1848,7 +1848,7 @@ This sanitized build environment ignores unrequested dependencies, which makes s
 * `--file`:
   Read the `Brewfile` from this location. Use `--file=-` to pipe to stdin/stdout.
 * `--global`:
-  Read the `Brewfile` from `~/.Brewfile`.
+  Read the `Brewfile` from `~/.Brewfile` or the `HOMEBREW_BUNDLE_FILE_GLOBAL` environment variable, if set.
 * `-v`, `--verbose`:
   `install` prints output from commands as they are run. `check` lists all missing dependencies.
 * `--no-upgrade`:
@@ -1856,7 +1856,7 @@ This sanitized build environment ignores unrequested dependencies, which makes s
 * `-f`, `--force`:
   `dump` overwrites an existing `Brewfile`. `cleanup` actually performs its cleanup operations.
 * `--cleanup`:
-  `install` performs cleanup operation, same as running `cleanup --force`.
+  `install` performs cleanup operation, same as running `cleanup --force`. This is enabled by default if HOMEBREW_BUNDLE_INSTALL_CLEANUP is set.
 * `--no-lock`:
   `install` won't output a `Brewfile.lock.json`.
 * `--all`:
@@ -1874,7 +1874,7 @@ This sanitized build environment ignores unrequested dependencies, which makes s
 * `--vscode`:
   `list` VSCode extensions.
 * `--describe`:
-  `dump` adds a description comment above each line, unless the dependency does not have a description.
+  `dump` adds a description comment above each line, unless the dependency does not have a description. This is enabled by default if HOMEBREW_BUNDLE_DUMP_DESCRIBE is set.
 * `--no-restart`:
   `dump` does not add `restart_service` to formula lines.
 * `--zap`:
@@ -1887,13 +1887,15 @@ If the output is not to a tty, print the appropriate handler script for your she
 
 ### `services` [*`subcommand`*]
 
-Manage background services with macOS' `launchctl`(1) daemon manager.
+Manage background services with macOS' `launchctl`(1) daemon manager or
+Linux's `systemctl`(1) service manager.
 
-If `sudo` is passed, operate on `/Library/LaunchDaemons` (started at boot).
-Otherwise, operate on `~/Library/LaunchAgents` (started at login).
+If `sudo` is passed, operate on `/Library/LaunchDaemons`/`/usr/lib/systemd/system`  (started at boot).
+Otherwise, operate on `~/Library/LaunchAgents`/`~/.config/systemd/user` (started at login).
 
-[`sudo`] `brew services` [`list`] (`--json`)
+[`sudo`] `brew services` [`list`] (`--json`) (`--debug`)
 <br>List information about all managed services for the current user (or root).
+Provides more output from Homebrew and `launchctl`(1) or `systemctl`(1) if run with `--debug`.
 
 [`sudo`] `brew services info` (*`formula`*|`--all`|`--json`)
 <br>List all managed services for the current user (or root).
@@ -1918,6 +1920,8 @@ Otherwise, operate on `~/Library/LaunchAgents` (started at login).
 
 * `--file`:
   Use the service file from this location to `start` the service.
+* `--sudo-service-user`:
+  When run as root on macOS, run the service(s) as this user.
 * `--all`:
   Run *`subcommand`* on all services.
 * `--json`:
diff --git a/manpages/brew.1 b/manpages/brew.1
index 6f5f0efe2c52f..712d730cafaab 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -2622,7 +2622,7 @@ Read the \fBBrewfile\fR from this location\. Use \fB\-\-file=\-\fR to pipe to st
 .
 .TP
 \fB\-\-global\fR
-Read the \fBBrewfile\fR from \fB~/\.Brewfile\fR\.
+Read the \fBBrewfile\fR from \fB~/\.Brewfile\fR or the \fBHOMEBREW_BUNDLE_FILE_GLOBAL\fR environment variable, if set\.
 .
 .TP
 \fB\-v\fR, \fB\-\-verbose\fR
@@ -2638,7 +2638,7 @@ Read the \fBBrewfile\fR from \fB~/\.Brewfile\fR\.
 .
 .TP
 \fB\-\-cleanup\fR
-\fBinstall\fR performs cleanup operation, same as running \fBcleanup \-\-force\fR\.
+\fBinstall\fR performs cleanup operation, same as running \fBcleanup \-\-force\fR\. This is enabled by default if HOMEBREW_BUNDLE_INSTALL_CLEANUP is set\.
 .
 .TP
 \fB\-\-no\-lock\fR
@@ -2674,7 +2674,7 @@ Read the \fBBrewfile\fR from \fB~/\.Brewfile\fR\.
 .
 .TP
 \fB\-\-describe\fR
-\fBdump\fR adds a description comment above each line, unless the dependency does not have a description\.
+\fBdump\fR adds a description comment above each line, unless the dependency does not have a description\. This is enabled by default if HOMEBREW_BUNDLE_DUMP_DESCRIBE is set\.
 .
 .TP
 \fB\-\-no\-restart\fR
@@ -2688,14 +2688,14 @@ Read the \fBBrewfile\fR from \fB~/\.Brewfile\fR\.
 Print instructions for setting up the command\-not\-found hook for your shell\. If the output is not to a tty, print the appropriate handler script for your shell\.
 .
 .SS "\fBservices\fR [\fIsubcommand\fR]"
-Manage background services with macOS\' \fBlaunchctl\fR(1) daemon manager\.
+Manage background services with macOS\' \fBlaunchctl\fR(1) daemon manager or Linux\'s \fBsystemctl\fR(1) service manager\.
 .
 .P
-If \fBsudo\fR is passed, operate on \fB/Library/LaunchDaemons\fR (started at boot)\. Otherwise, operate on \fB~/Library/LaunchAgents\fR (started at login)\.
+If \fBsudo\fR is passed, operate on \fB/Library/LaunchDaemons\fR/\fB/usr/lib/systemd/system\fR (started at boot)\. Otherwise, operate on \fB~/Library/LaunchAgents\fR/\fB~/\.config/systemd/user\fR (started at login)\.
 .
 .P
-[\fBsudo\fR] \fBbrew services\fR [\fBlist\fR] (\fB\-\-json\fR)
-    List information about all managed services for the current user (or root)\.
+[\fBsudo\fR] \fBbrew services\fR [\fBlist\fR] (\fB\-\-json\fR) (\fB\-\-debug\fR)
+    List information about all managed services for the current user (or root)\. Provides more output from Homebrew and \fBlaunchctl\fR(1) or \fBsystemctl\fR(1) if run with \fB\-\-debug\fR\.
 .
 .P
 [\fBsudo\fR] \fBbrew services info\fR (\fIformula\fR|\fB\-\-all\fR|\fB\-\-json\fR)
@@ -2730,6 +2730,10 @@ If \fBsudo\fR is passed, operate on \fB/Library/LaunchDaemons\fR (started at boo
 Use the service file from this location to \fBstart\fR the service\.
 .
 .TP
+\fB\-\-sudo\-service\-user\fR
+When run as root on macOS, run the service(s) as this user\.
+.
+.TP
 \fB\-\-all\fR
 Run \fIsubcommand\fR on all services\.
 .