diff --git a/aider/website/docs/faq.md b/aider/website/docs/faq.md
index 7588f2bb2..7c5fbee78 100644
--- a/aider/website/docs/faq.md
+++ b/aider/website/docs/faq.md
@@ -153,6 +153,21 @@ Add 6.9k tokens of command output to the chat? (Y)es/(N)o [Yes]: Yes
 /ask Are there any problems with the way this change works with the FooBar class?
 ```
 
+And of course you can prepare diff output outside of aider and provide it as
+a file for aider to read:
+
+```
+$ git diff -C10 v1..v2 > v1-v2-changes.diff
+$ aider --read v1-v2-changes.diff
+
+Aider v0.77.2.dev+import
+Main model: anthropic/claude-3-7-sonnet-20250219 with diff edit format, 8k think tokens
+──────────────────────────────────
+v1-v2-changes.diff
+> Do you see any potential bugs in this PR?
+```
+
+
 {: .tip }
 The `/git` command will not work for this purpose, as its output is not included in the chat.