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-rw-r--r--docs/Changelog.md1
-rw-r--r--docs/env_variables.md4
2 files changed, 2 insertions, 3 deletions
diff --git a/docs/Changelog.md b/docs/Changelog.md
index 6c851460..29ef69f9 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -15,6 +15,7 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
     - removed implied -D determinstic from -M main
     - if the target becomes unavailable check out out/default/error.txt for
       an indicator why
+    - AFL_CAL_FAST was a dead env, now does the same as AFL_FAST_CAL
   - afl-cc
     - support partial linking
     - We do support llvm versions from 3.8 again
diff --git a/docs/env_variables.md b/docs/env_variables.md
index 38a67bc7..e058f377 100644
--- a/docs/env_variables.md
+++ b/docs/env_variables.md
@@ -108,9 +108,6 @@ make fairly broad use of environmental variables instead:
   - Setting `AFL_QUIET` will prevent afl-cc and afl-as banners from being
     displayed during compilation, in case you find them distracting.
 
-  - Setting `AFL_CAL_FAST` will speed up the initial calibration, if the
-    application is very slow.
-
 ## 2) Settings for LLVM and LTO: afl-clang-fast / afl-clang-fast++ / afl-clang-lto / afl-clang-lto++
 
 The native instrumentation helpers (instrumentation and gcc_plugin) accept a subset
@@ -386,6 +383,7 @@ checks or alter some of the more exotic semantics of the tool:
 
   - `AFL_FAST_CAL` keeps the calibration stage about 2.5x faster (albeit less
     precise), which can help when starting a session against a slow target.
+    `AFL_CAL_FAST` works too.
 
   - The CPU widget shown at the bottom of the screen is fairly simplistic and
     may complain of high load prematurely, especially on systems with low core