diff --git a/pages/common/cat.md b/pages/common/cat.md
index e1b20ded5..73a7351e6 100644
--- a/pages/common/cat.md
+++ b/pages/common/cat.md
@@ -10,6 +10,10 @@
 
 `cat {{file1}} {{file2}} > {{target-file}}`
 
-- Append serveral files into the target file:
+- Append several files into the target file:
 
 `cat {{file1}} {{file2}} >> {{target-file}}`
+
+- Number all output lines:
+
+`cat -n {{file}}`