diff --git a/pages/common/ls.md b/pages/common/ls.md
index f979ac846..2ad2051c8 100644
--- a/pages/common/ls.md
+++ b/pages/common/ls.md
@@ -14,7 +14,7 @@
 
 `ls -F`
 
-- Long format list (permissions, ownership, size and modification date) of all files:
+- Long format list (permissions, ownership, size, and modification date) of all files:
 
 `ls -la`