Update CONTRIBUTING.md

Co-authored-by: Seunghwa Kang <[email protected]>

CONTRIBUTING.md

@@ -148,7 +148,7 @@ others know you are working on it. If you have any questions related to the
 implementation of the issue, ask them in the issue instead of the PR.
 
 
-### Style Guild
+### Style Guide
 All Python code most pass flake8 style checking
 All C++ code must pass clang style checking
 All code must adhere to the [RAPIDS Style Guide](https://docs.rapids.ai/resources/style/)
@@ -159,4 +159,3 @@ All code must have associate test cases.  Code without test will not be accepted
 
 
 
-