diff --git a/snippets/deep_flatten.md b/snippets/deep_flatten.md
index 12649d150..d487d34dd 100644
--- a/snippets/deep_flatten.md
+++ b/snippets/deep_flatten.md
@@ -1,4 +1,4 @@
-### deepFlatten
+### deep_flatten
 
 Deep flattens a list.