diff --git a/docs/Manpage.md b/docs/Manpage.md
index 9fff49ae0d..4fb7f93ab7 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -58,10 +58,10 @@ Regenerate the UUID used for Homebrew's analytics.
 
 ### `autoremove` [*`options`*]
 
-Remove packages that weren't installed on request and are no longer needed.
+Uninstall formulae that were only installed as a dependency of another formula and are now no longer needed.
 
 * `-n`, `--dry-run`:
-  Just print what would be removed.
+  List what would be uninstalled, but do not actually uninstall anything.
 
 ### `cask` *`command`* [*`options`*] [*`cask`*]
 
diff --git a/manpages/brew.1 b/manpages/brew.1
index 537ebab945..d62b6a8664 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -54,11 +54,11 @@ Control Homebrew\'s anonymous aggregate user behaviour analytics\. Read more at
     Regenerate the UUID used for Homebrew\'s analytics\.
 .
 .SS "\fBautoremove\fR [\fIoptions\fR]"
-Remove packages that weren\'t installed on request and are no longer needed\.
+Uninstall formulae that were only installed as a dependency of another formula and are now no longer needed\.
 .
 .TP
 \fB\-n\fR, \fB\-\-dry\-run\fR
-Just print what would be removed\.
+List what would be uninstalled, but do not actually uninstall anything\.
 .
 .SS "\fBcask\fR \fIcommand\fR [\fIoptions\fR] [\fIcask\fR]"
 Homebrew Cask provides a friendly CLI workflow for the administration of macOS applications distributed as binaries\.