diff --git a/docs/Manpage.md b/docs/Manpage.md
index e45396c22e..da7421b042 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -1417,6 +1417,8 @@ Installs, configures and runs Homebrew's `rubocop`.
 Run a Ruby instance with Homebrew's libraries loaded. For example,
 `brew ruby -e "puts :gcc.f.deps"` or `brew ruby script.rb`.
 
+Run e.g. `brew ruby -- --version` to pass arbitrary arguments to `ruby`.
+
 * `-r`:
   Load a library using `require`.
 * `-e`:
diff --git a/manpages/brew.1 b/manpages/brew.1
index 32ef2b2593..7212127819 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -2039,6 +2039,9 @@ Installs, configures and runs Homebrew\'s \fBrubocop\fR\.
 .SS "\fBruby\fR [\fIoptions\fR] (\fB\-e\fR \fItext\fR|\fIfile\fR)"
 Run a Ruby instance with Homebrew\'s libraries loaded\. For example, \fBbrew ruby \-e "puts :gcc\.f\.deps"\fR or \fBbrew ruby script\.rb\fR\.
 .
+.P
+Run e\.g\. \fBbrew ruby \-\- \-\-version\fR to pass arbitrary arguments to \fBruby\fR\.
+.
 .TP
 \fB\-r\fR
 Load a library using \fBrequire\fR\.