diff --git a/README.md b/README.md
index cc587ef..81b033c 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ A calendar tui written in go
 - start coding in your desired editor
 
 ### Project structure
+```
 ./
 ├── cmd
 │   ├── root.go -> the entrypoint for your cli
@@ -31,6 +32,7 @@ A calendar tui written in go
     ├── run.go -> tui entrypoint
     ├── update.go -> bubbletea model update functions go here
     └── view.go -> bubbletea view functions go here
+```
 
 ### Generating sub-commands
 use cobra-cli to generate sub-commands
diff --git a/flake.nix b/flake.nix
index 0b20599..5cf4e80 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,7 +45,7 @@
                 name = "source";
                 path = ./.;
               };
-              vendorHash = "";
+              vendorHash = "sha256-3ZGIzksxYjZBIlEzvzmsju5GVcusHAfz9pBgeARgzyA=";
             }
           ) { };
         }