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-rw-r--r--docs/env_variables.md6
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/env_variables.md b/docs/env_variables.md
index c5995d13..087ccdb7 100644
--- a/docs/env_variables.md
+++ b/docs/env_variables.md
@@ -156,7 +156,7 @@ Available options:
   - LTO - LTO instrumentation
   - NATIVE - clang's original pcguard based instrumentation
   - NGRAM-x - deeper previous location coverage (from NGRAM-2 up to NGRAM-16)
-  - PCGUARD - our own pcgard based instrumentation (default)
+  - PCGUARD - our own pcguard based instrumentation (default)
 
 #### CMPLOG
 
@@ -240,7 +240,9 @@ combined.
     the default `0x10000`. A value of 0 or empty sets the map address to be
     dynamic (the original AFL way, which is slower).
   - `AFL_LLVM_MAP_DYNAMIC` sets the shared memory address to be dynamic.
-
+  - `AFL_LLVM_LTO_SKIPINIT` skips adding initialization code. Some global vars
+    (e.g. the highest location ID) are not injected. Needed to instrument with
+    [WAFL](https://github.com/fgsect/WAFL.git).
   For more information, see
   [instrumentation/README.lto.md](../instrumentation/README.lto.md).