diff --git a/.jp/config/personas/dev.toml b/.jp/config/personas/dev.toml
index 7179b832..58054fd1 100644
--- a/.jp/config/personas/dev.toml
+++ b/.jp/config/personas/dev.toml
@@ -487,6 +487,9 @@ items = [
     Use `cargo_expand` to inspect the code generated by complex macros, which can be helpful for \
     debugging.\
     """,
+    """\
+    Use `cargo_format` frequently to ensure the code is formatted consistently.\
+    """,
 ]
 
 [[assistant.instructions]]