diff --git a/docs/Manpage.md b/docs/Manpage.md
index ab6236778a..d497f06338 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -1018,6 +1018,13 @@ directory.
 * `-g`, `--git`:
   Initialise a Git repository in the unpacked source. This is useful for creating patches for the software.
 
+### `update_license_data` *`cmd`*
+
+  Update SPDX license data in the Homebrew repository.
+
+* `--fail-if-changed`:
+  Return a failing status code if current license data's version is different fromthe upstream. This can be used to notify CI when the SPDX license data is out of date.
+
 ### `update-test` [*`options`*]
 
 Run a test of `brew update` with a new repository clone. If no options are
diff --git a/manpages/brew.1 b/manpages/brew.1
index fd47c1a362..74779ac665 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -1311,6 +1311,13 @@ Patches for \fIformula\fR will be applied to the unpacked source\.
 \fB\-g\fR, \fB\-\-git\fR
 Initialise a Git repository in the unpacked source\. This is useful for creating patches for the software\.
 .
+.SS "\fBupdate_license_data\fR \fIcmd\fR"
+Update SPDX license data in the Homebrew repository\.
+.
+.TP
+\fB\-\-fail\-if\-changed\fR
+Return a failing status code if current license data\'s version is different fromthe upstream\. This can be used to notify CI when the SPDX license data is out of date\.
+.
 .SS "\fBupdate\-test\fR [\fIoptions\fR]"
 Run a test of \fBbrew update\fR with a new repository clone\. If no options are passed, use \fBorigin/master\fR as the start commit\.
 .