Fix typos in fuzzer/README.md
# Fuzzing the rust evm
-This provides a simply fuzzing harness that can be used a start when fuzzing the rust evm.
+This provides a simple fuzzing harness that can be used a start when fuzzing the rust evm.
The fuzzer will take a byte input from honggfuzz, split it at a fixed delimiter
and give some of it as code and some of it as data to the evm.
@@ -14,5 +14,5 @@ Then, to debug a certain input in the fuzzing queue, run
`./target/debug/evm_fuzz hfuzz_workspace/evm_fuzz/input/<file>`
# Notes
-Because this fuzzer does not implemented any gasometer, honggfuzz will report some timeouts.
+Because this fuzzer does not implement any gasometer, honggfuzz will report some timeouts.
A reasonable approach to improve the perfomance would be to extend this fuzzer with a gasometer.
