diff --git a/pages/common/phpcbf.md b/pages/common/phpcbf.md
index 315e11735c..31fc028432 100644
--- a/pages/common/phpcbf.md
+++ b/pages/common/phpcbf.md
@@ -15,7 +15,7 @@
 
 `phpcbf {{path/to/directory}} --standard {{standard}}`
 
-- Specify file extension(s) to include when sniffing:
+- Specify comma-separated file extensions to include when sniffing:
 
 `phpcbf {{path/to/directory}} --extensions {{file_extension(s)}}`
 
diff --git a/pages/common/phpcs.md b/pages/common/phpcs.md
index 01adebd3f8..0582b4a594 100644
--- a/pages/common/phpcs.md
+++ b/pages/common/phpcs.md
@@ -15,7 +15,7 @@
 
 `phpcs {{path/to/directory}} --standard {{standard}}`
 
-- Specify file extension(s) to include when sniffing:
+- Specify comma-separated file extensions to include when sniffing:
 
 `phpcs {{path/to/directory}} --extensions {{file_extension(s)}}`