diff --git a/README.md b/README.md
index fe4eb9b..370d4a7 100644
--- a/README.md
+++ b/README.md
@@ -88,7 +88,7 @@ wp doctor
 Run a series of checks against WordPress to diagnose issues.
 
 ~~~
-wp doctor check [<checks>...] [--all] [--spotlight] [--config=<file>] [--fields=<fields>] [--format=<format>]
+wp doctor check [<checks>...] [--all] [--spotlight] [--config=<file>] [--fields=<fields>] [--<field>=<value>] [--format=<format>]
 ~~~
 
 A check is a routine run against some scope of WordPress that reports
@@ -113,6 +113,9 @@ any of the checks fail, then the command will exit with the code `1`.
 	[--fields=<fields>]
 		Limit the output to specific fields.
 
+	[--<field>=<value>]
+		Filter results by key=value pairs.
+
 	[--format=<format>]
 		Render results in a particular format.
 		---