Update README.md

1 files changed, 2 insertions, 2 deletions

diff --git a/README.md b/README.md
index 43ab687..ad53dbd 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ We invite you to contribute by adding a folder for a programming language that i
 
 1. *Create a new folder* under languages/ named after the language you are implementing (e.g., languages/haskell, languages/python, languages/go, etc.).
 2. Inside this folder, create:
-     - A file named **lambdaCore** with the appropriate file extension (e.g., lambdaCore.py, lambdaCore.hs, lambdaCore.go).
+     - A file named **lambda-core** with the appropriate file extension (e.g., lambda-core.py, lambda-core.hs, lambda-core.go).
      - A *README.md* that explains:
          - How to run your implementation (any dependencies, compilation steps, interpreter requirements, etc.).
          - How to verify or test that the boolean operations and numerals work as expected (you can include sample input and output or instructions for a quick test).
@@ -62,7 +62,7 @@ Here’s a quick example workflow:
 1. *Fork* this repository.
 2. Create a branch named after your new language or a feature fix.
 3. Add a new folder languages/mylanguage.
-4. Add lambdaCore.my-lang and a supporting README.md.
+4. Add lambda-core.my-lang and a supporting README.md.
 5. Commit and push your changes.
 6. *Open a Pull Request* from your fork’s branch into the main branch of this repository.