diff --git a/docs/Manpage.md b/docs/Manpage.md
index 0b746685a1..4371e5e04b 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -577,16 +577,21 @@ recommended dependency for their stable builds.
 * `--HEAD`:
   Show usage of *`formula`* by HEAD builds.
 
-### `--cache` [*`options`*] [*`formula`*]
+### `--cache` [*`options`*] [<formula/cask>]
 
 Display Homebrew's download cache. See also `HOMEBREW_CACHE`.
 
-If *`formula`* is provided, display the file or directory used to cache *`formula`*.
+If <formula/cask> is provided, display the file or directory used to cache
+<formula/cask>.
 
 * `-s`, `--build-from-source`:
   Show the cache file used when building from source.
 * `--force-bottle`:
   Show the cache file used when pouring a bottle.
+* `--formula`:
+  Show cache files for only formulae
+* `--cask`:
+  Show cache files for only casks
 
 ### `--cellar` [*`formula`*]
 
diff --git a/manpages/brew.1 b/manpages/brew.1
index 49bf5bd86e..5e5f84e104 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -749,11 +749,11 @@ Show usage of \fIformula\fR by development builds\.
 \fB\-\-HEAD\fR
 Show usage of \fIformula\fR by HEAD builds\.
 .
-.SS "\fB\-\-cache\fR [\fIoptions\fR] [\fIformula\fR]"
+.SS "\fB\-\-cache\fR [\fIoptions\fR] [<formula/cask>]"
 Display Homebrew\'s download cache\. See also \fBHOMEBREW_CACHE\fR\.
 .
 .P
-If \fIformula\fR is provided, display the file or directory used to cache \fIformula\fR\.
+If <formula/cask> is provided, display the file or directory used to cache <formula/cask>\.
 .
 .TP
 \fB\-s\fR, \fB\-\-build\-from\-source\fR
@@ -763,6 +763,14 @@ Show the cache file used when building from source\.
 \fB\-\-force\-bottle\fR
 Show the cache file used when pouring a bottle\.
 .
+.TP
+\fB\-\-formula\fR
+Show cache files for only formulae
+.
+.TP
+\fB\-\-cask\fR
+Show cache files for only casks
+.
 .SS "\fB\-\-cellar\fR [\fIformula\fR]"
 Display Homebrew\'s Cellar path\. \fIDefault:\fR \fB$(brew \-\-prefix)/Cellar\fR, or if that directory doesn\'t exist, \fB$(brew \-\-repository)/Cellar\fR\.
 .