diff --git a/examples/features/metadata_interceptor/README.md b/examples/features/metadata_interceptor/README.md
index e4e132cb4e0d..ae5f82469ca2 100644
--- a/examples/features/metadata_interceptor/README.md
+++ b/examples/features/metadata_interceptor/README.md
@@ -67,4 +67,4 @@ func SomeStreamInterceptor(srv interface{}, ss grpc.ServerStream, info *grpc.Str
 
     return handler(srv, &wrappedStream{ss, ctx})
 }
-```
\ No newline at end of file
+```
diff --git a/security/advancedtls/examples/credential_reloading_from_files/README.md b/security/advancedtls/examples/credential_reloading_from_files/README.md
index 70c6242b57b6..8e39d3756522 100644
--- a/security/advancedtls/examples/credential_reloading_from_files/README.md
+++ b/security/advancedtls/examples/credential_reloading_from_files/README.md
@@ -22,4 +22,4 @@ go run server/main.go
 
 ```
 go run client/main.go
-```
\ No newline at end of file
+```
diff --git a/security/advancedtls/testdata/README.md b/security/advancedtls/testdata/README.md
index 17367497ac2a..1001459ee4b8 100644
--- a/security/advancedtls/testdata/README.md
+++ b/security/advancedtls/testdata/README.md
@@ -45,4 +45,4 @@ commands we run:
    ```
    $ openssl verify -verbose -CAfile ca_cert.pem  subject_cert.pem
 
-   ```
\ No newline at end of file
+   ```