diff --git a/completions/zsh b/completions/zsh
index 048138b..6b0e096 100644
--- a/completions/zsh
+++ b/completions/zsh
@@ -19,6 +19,7 @@ args=(
   '(-r --restart)'{-r,--restart}'[Restart the process if it''s still running]'
   '(-V --version)'{-V,--version}'[Prints version information]'
   '(-v --verbose)'{-v,--verbose}'[Print debugging messages to stderr]'
+  '--changes-only[Print changed paths to stderr for pattern debugging]'
   '(-d --debounce)'{-d+,--debounce=}'[Set the timeout between detected change and command execution, defaults to 500ms]:milliseconds'
   '(-e --exts)'{-e+,--exts=}'[Comma-separated list of file extensions to watch (js,css,html)]:extensions'
   '(-f --filter)'{-f+,--filter=}'[Ignore all modifications except those matching the pattern]:pattern'
diff --git a/doc/watchexec.1.ronn b/doc/watchexec.1.ronn
index b885001..6679314 100644
--- a/doc/watchexec.1.ronn
+++ b/doc/watchexec.1.ronn
@@ -3,7 +3,7 @@ watchexec(1) -- execute commands when watched files change
 
 ## SYNOPSIS
 
-watchexec [`--exts` | `-e` <extensions>]... [`--filter` | `-f` <pattern>]... [`--ignore` | `-i` <pattern>]... [`--watch` | `-w` <path>]... [`--restart` | `-r`] [`--clear` | `-c`] [`--postpone` | `-p`] [`--force-poll` <interval>] [`--debounce` | `-d` <interval>] [`--no-vcs-ignore`] [`--no-default-ignore`] [`--verbose` | `-v`] [`--version` | `-V`] [--] <command> [<argument>...]
+watchexec [`--exts` | `-e` <extensions>]... [`--filter` | `-f` <pattern>]... [`--ignore` | `-i` <pattern>]... [`--watch` | `-w` <path>]... [`--restart` | `-r`] [`--clear` | `-c`] [`--postpone` | `-p`] [`--force-poll` <interval>] [`--debounce` | `-d` <interval>] [`--no-vcs-ignore`] [`--no-default-ignore`] [`--verbose` | `-v`] [`--changes-only`] [`--version` | `-V`] [--] <command> [<argument>...]
 
 ## DESCRIPTION
 
@@ -62,7 +62,10 @@ Skip loading of version control system (VCS) ignore files. By default, watchexec
 Skip default ignore statements. By default, watchexec ignores common temporary files for you, for example `*.swp`, `*.pyc`, and `.DS_Store`.
 
 * `-v`, `--verbose`:
-Prints diagnostic messages to STDERR
+Prints diagnostic messages to STDERR.
+
+* `--changes-only`:
+Prints the paths that have changed as diagnostics to STDERR, but not everything else that `--verbose` prints.
 
 * `-V`, `--version`:
 Print the version of watchexec.