mark AFL_PYTHON_ONLY deprecated

1 files changed, 8 insertions, 2 deletions

diff --git a/docs/custom_mutators.md b/docs/custom_mutators.md
index 6e951008..7f95b4af 100644
--- a/docs/custom_mutators.md
+++ b/docs/custom_mutators.md
@@ -165,13 +165,19 @@ a fallback to the builtin default trimming routine.
 
 Optionally, the following environment variables are supported:
 
-- `AFL_PYTHON_ONLY`
-
+- `AFL_CUSTOM_MUTATOR_ONLY`
+ 
     Disable all other mutation stages. This can prevent broken testcases
     (those that your Python module can't work with anymore) to fill up your
     queue. Best combined with a custom trimming routine (see below) because
     trimming can cause the same test breakage like havoc and splice.
 
+
+- `AFL_PYTHON_ONLY`
+
+    Deprecated and removed, use `AFL_CUSTOM_MUTATOR_ONLY` instead
+    trimming can cause the same test breakage like havoc and splice.
+
 - `AFL_DEBUG`
 
     When combined with `AFL_NO_UI`, this causes the C trimming code to emit additional messages about the performance and actions of your custom trimmer. Use this to see if it works :)