diff --git a/completions/fish/brew.fish b/completions/fish/brew.fish
index a370f05b03..30db49e2ee 100644
--- a/completions/fish/brew.fish
+++ b/completions/fish/brew.fish
@@ -1027,7 +1027,7 @@ __fish_brew_complete_arg 'pr-automerge' -l tap -d 'Target tap repository (defaul
 __fish_brew_complete_arg 'pr-automerge' -l verbose -d 'Make some output more verbose'
 __fish_brew_complete_arg 'pr-automerge' -l with-label -d 'Pull requests must have this label'
 __fish_brew_complete_arg 'pr-automerge' -l without-approval -d 'Pull requests do not require approval to be merged'
-__fish_brew_complete_arg 'pr-automerge' -l without-labels -d 'Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `linux-only`)'
+__fish_brew_complete_arg 'pr-automerge' -l without-labels -d 'Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `linux-only`, `linux to homebrew-core`)'
 
 
 __fish_brew_complete_cmd 'pr-publish' 'Publish bottles for a pull request with GitHub Actions'
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index 743e086bb1..50563ed95a 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -1266,7 +1266,7 @@ _brew_pr_automerge() {
     '--verbose[Make some output more verbose]' \
     '--with-label[Pull requests must have this label]' \
     '--without-approval[Pull requests do not require approval to be merged]' \
-    '--without-labels[Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `linux-only`)]'
+    '--without-labels[Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `linux-only`, `linux to homebrew-core`)]'
 }
 
 # brew pr-publish
diff --git a/docs/Manpage.md b/docs/Manpage.md
index 88e3c86a4e..b834e4e2dd 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -1133,7 +1133,7 @@ Find pull requests that can be automatically merged using `brew pr-publish`.
 * `--with-label`:
   Pull requests must have this label.
 * `--without-labels`:
-  Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `linux-only`).
+  Pull requests must not have these labels (default: `do not merge`, `new formula`, `automerge-skip`, `linux-only`, `linux to homebrew-core`).
 * `--without-approval`:
   Pull requests do not require approval to be merged.
 * `--publish`:
diff --git a/manpages/brew.1 b/manpages/brew.1
index 1c64101041..711dd67a85 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -1572,7 +1572,7 @@ Pull requests must have this label\.
 .
 .TP
 \fB\-\-without\-labels\fR
-Pull requests must not have these labels (default: \fBdo not merge\fR, \fBnew formula\fR, \fBautomerge\-skip\fR, \fBlinux\-only\fR)\.
+Pull requests must not have these labels (default: \fBdo not merge\fR, \fBnew formula\fR, \fBautomerge\-skip\fR, \fBlinux\-only\fR, \fBlinux to homebrew\-core\fR)\.
 .
 .TP
 \fB\-\-without\-approval\fR