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-rw-r--r--docs/Changelog.md3
-rw-r--r--docs/env_variables.md3
2 files changed, 6 insertions, 0 deletions
diff --git a/docs/Changelog.md b/docs/Changelog.md
index 2406e7ba..689cc94b 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -23,6 +23,9 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
     - add AFL_EARLY_FORKSERVER to install the forkserver as earliest as
       possible in the target (for afl-gcc-fast/afl-clang-fast/
       afl-clang-lto)
+    - "saved timeouts" was wrong information, timeouts are still thrown
+      away by default even if they have new coverage (hangs are always
+      kept), unless AFL_KEEP_TIMEOUTS are set
     - document and auto-activate pizza mode on condition
   - afl-cc:
     - converted all passed to use the new llvm pass manager for llvm 11+
diff --git a/docs/env_variables.md b/docs/env_variables.md
index 9ffb08e7..fe9c6e07 100644
--- a/docs/env_variables.md
+++ b/docs/env_variables.md
@@ -349,6 +349,9 @@ checks or alter some of the more exotic semantics of the tool:
   - Setting `AFL_DISABLE_TRIM` tells afl-fuzz not to trim test cases. This is
     usually a bad idea!
 
+  - Setting `AFL_KEEP_TIMEOUTS` will keep longer running inputs if they reach
+    new coverage
+
   - `AFL_EXIT_ON_SEED_ISSUES` will restore the vanilla afl-fuzz behavior which
     does not allow crashes or timeout seeds in the initial -i corpus.