diff --git a/lib/README.md b/lib/README.md
index bb96e1b4..d5c92805 100644
--- a/lib/README.md
+++ b/lib/README.md
@@ -2,6 +2,6 @@
 
 Some Helper functions for the project:
 
-1. `macosSystem`: A function to generate attribute set for macOS, used by `flake.nix` to reduce code duplication and make it easier to add new machines.
-2. `nixosSystem`: A function to generate attribute set for NixOS, used by `flake.nix` to reduce code duplication and make it easier to add new machines.
+1. `macosSystem.nix`: A function to generate attribute set for macOS, used by `flake.nix` to reduce code duplication and make it easier to add new machines.
+2. `nixosSystem.nix`: A function to generate attribute set for NixOS, used by `flake.nix` to reduce code duplication and make it easier to add new machines.
 
diff --git a/overlays/fcitx5/README.md b/overlays/fcitx5/README.md
index a84e7c1a..7d099fbd 100644
--- a/overlays/fcitx5/README.md
+++ b/overlays/fcitx5/README.md
@@ -2,8 +2,6 @@
 
 Useful for Linux(fcitx5-rime) & macOS(squirrel).
 
-## Hisotry Problems
-
 ## Linux(fcitx5-rime)
 
 1. pay attention to the `rm -rf .local/share/fcitx5/rime/`, which may contains some auto generated rime config files, which may cause flypy not the default scheme for rime