Fix typos in LLVM whitelist README
@@ -77,11 +77,12 @@ use -g).
## 4) UNIX-style filename pattern matching
By default you need to add all the files you want to whitelist to the file
specified by AFL_LLVM_WHITELIST. By setting the env variable
-AFL_LLVM_WHITELIST_FNMATCH, afl++ will allows use of wildcards and other
+AFL_LLVM_WHITELIST_FNMATCH, afl++ allows use of wildcards and other
matching features available through `fnmatch` (we use `fnmatch` with no flags
set). Note that setting AFL_LLVM_WHITELIST_FNMATCH might
-break backwards-compatibility, since it does not match on the end of the file
-entry anymore, but rather matches on the full filename path.
+break backwards-compatibility with existing whitelists, since it does not match
+on the end of the file entry anymore, but rather matches on the full filename
+path.
The behavior should be the same if you prepend `*/` to every line.
