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-rw-r--r--instrumentation/README.llvm.md8
1 files changed, 6 insertions, 2 deletions
diff --git a/instrumentation/README.llvm.md b/instrumentation/README.llvm.md
index 7855a987..c0677474 100644
--- a/instrumentation/README.llvm.md
+++ b/instrumentation/README.llvm.md
@@ -116,7 +116,7 @@ PCGUARD analysis.
 Several options are present to make llvm_mode faster or help it rearrange the
 code to make afl-fuzz path discovery easier.
 
-If you need just to instrument specific parts of the code, you can the
+If you need just to instrument specific parts of the code, you can create the
 instrument file list which C/C++ files to actually instrument. See
 [README.instrument_list.md](README.instrument_list.md)
 
@@ -167,6 +167,10 @@ Just specify `AFL_LLVM_DICT2FILE=/absolute/path/file.txt` and during compilation
 all constant string compare parameters will be written to this file to be used
 with afl-fuzz' `-x` option.
 
+Adding `AFL_LLVM_DICT2FILE_NO_MAIN=1` will skip parsing `main()` which often
+does command line parsing which has string comparisons that are not helpful
+for fuzzing.
+
 ## 6) AFL++ Context Sensitive Branch Coverage
 
 ### What is this?
@@ -275,4 +279,4 @@ then this can give a small performance boost.
 Please note that the default counter implementations are not thread safe!
 
 Support for thread safe counters in mode LLVM CLASSIC can be activated with
-setting `AFL_LLVM_THREADSAFE_INST=1`.
\ No newline at end of file
+setting `AFL_LLVM_THREADSAFE_INST=1`.