docs: Regen commands doc

Fixes #2235

docs/content/commands/hugo_benchmark.md

@@ -1,12 +1,12 @@
 ---
-date: 2016-04-09T23:00:06+02:00
+date: 2016-06-22T14:03:03+02:00
 title: "hugo benchmark"
 slug: hugo_benchmark
 url: /commands/hugo_benchmark/
 ---
 ## hugo benchmark
 
-Benchmark hugo by building a site a number of times.
+Benchmark Hugo by building a site a number of times.
 
 ### Synopsis
 
@@ -23,6 +23,7 @@ hugo benchmark
 ```
   -b, --baseURL string          hostname (and path) to the root, e.g. http://spf13.com/
   -D, --buildDrafts             include content marked as draft
+  -E, --buildExpired            include expired content
   -F, --buildFuture             include content with publishdate in the future
       --cacheDir string         filesystem path to cache directory. Defaults: $TMPDIR/hugo_cache/
       --canonifyURLs            if true, all relative URLs will be canonicalized using baseURL
@@ -32,10 +33,11 @@ hugo benchmark
   -n, --count int               number of times to build the site (default 13)
       --cpuprofile string       path/filename for the CPU profile file
   -d, --destination string      filesystem path to write files to
+      --disable404              Do not render 404 page
       --disableRSS              Do not build RSS files
       --disableSitemap          Do not build Sitemap file
       --forceSyncStatic         Copy all files when static is changed.
-      --ignoreCache             Ignores the cache directory for reading but still writes to it
+      --ignoreCache             Ignores the cache directory
   -l, --layoutDir string        filesystem path to layout directory
       --memprofile string       path/filename for the memory profile file
       --noTimes                 Don't sync modification time of files
@@ -60,4 +62,4 @@ hugo benchmark
 ### SEE ALSO
 * [hugo](/commands/hugo/)	 - hugo builds your site
 
-###### Auto generated by spf13/cobra on 9-Apr-2016
+###### Auto generated by spf13/cobra on 22-Jun-2016