diff --git a/pages/common/ag.md b/pages/common/ag.md
index b0550f986..e024a5fde 100644
--- a/pages/common/ag.md
+++ b/pages/common/ag.md
@@ -6,6 +6,10 @@
 
 `ag foo`
 
+- Find files containing "FOO" case-insensitively:
+
+`ag -i FOO`
+
 - Find "foo" in files with a name matching "bar":
 
 `ag foo -G bar`