Merge #156: Update README.md for new recommended libFuzzer settings

875c0e1 Update README.md for new recommended libFuzzer settings (ツ)

Pull request description:

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Tree-SHA512: 10fb048ed92bbd9deefa5ba822ab4eeb2a6303d675d15b3d318d79c2f2b4ccaa521fb27dc812529fbe5703362c459d15109cbb6dce605f8dc01d2658feaa3d2a

Author: fanquake

README.md

@@ -13,8 +13,8 @@ folder per target named the same as each target).
 [fuzzing.md](https://github.com/bitcoin/bitcoin/blob/master/doc/fuzzing.md).*
 
 If you want to contribute fuzz inputs, please "merge" the inputs before
-submitting a pull request. You can use the libFuzzer option `-merge=1`
-(recommended with `-use_value_profile=1`) or the `--m_dir` option of the fuzz
+submitting a pull request. You can use the libFuzzer option `-set_cover_merge=1`
+(recommended with `-use_value_profile=0`) or the `--m_dir` option of the fuzz
 runner:
 [`test_runner.py`](https://github.com/bitcoin/bitcoin/blob/master/test/fuzz/test_runner.py).