diff --git a/pages/common/sort.md b/pages/common/sort.md
index 0bf916d32e..f20a49c71b 100644
--- a/pages/common/sort.md
+++ b/pages/common/sort.md
@@ -10,6 +10,10 @@
 
 `sort -r {{filename}}`
 
+- Sort a file in case-insensitive way:
+
+`sort --ignore-case {{filename}}`
+
 - Sort a file using numeric rather than alphabetic order:
 
 `sort -n {{filename}}`