diff --git a/docs/README.md b/docs/README.md
index 8dd9eed..a0f1445 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -25,7 +25,7 @@
 - imgui_widgets.cpp
 - imgui_internal.h
 - imconfig.h (empty by default, user-editable)
-- imstb_rect_pack.h
+- imstb_rectpack.h
 - imstb_textedit.h
 - imstb_truetype.h