Update README.md

README.md

@@ -97,7 +97,7 @@ tests/demo_no_error.scm => 3
 
 tests/demo_error.scm => wrong-type-arg
 ```
-Notice, the FILE and the eval result is separated by ` => `.
+Notice, the FILE and the eval result are separated by ` => `.
 
 ## R7RS Standard Libraries
 | Library | Description | 
@@ -121,7 +121,7 @@ Notice, the FILE and the eval result is separated by ` => `.
 
 ## Versioning
 Goldfish Scheme x.y.z means that it is using the C++ Standard x, based on S7 Scheme y, and z is the patch version. To clarify, the first version of Goldfish
-Scheme is `17.10.0`, it means that is is using the `C++ 17` standard, based on `S7 Scheme 10.x`, the patch version is `0`.
+Scheme is `17.10.0`, it means that it is using the `C++ 17` standard, based on `S7 Scheme 10.x`, the patch version is `0`.
 
 ## License
 Goldfish Scheme is licensed under Apache 2.0, for some of the code snippets which are derived from the S7 Scheme repo and SRFI have been explicited claimed in the related source files.