Fix typo in envvar name.

diff --git a/Misc/SpecialBuilds.txt b/Misc/SpecialBuilds.txt
index 811147668f637a7fd120102ef309c472f24006ff..ae9ab4c1ef1bdbc5168fae19e4168caa1597d787 100644 (file)
--- a/Misc/SpecialBuilds.txt
+++ b/Misc/SpecialBuilds.txt
@@ -1,7 +1,7 @@
 This file describes some special Python build types enabled via
 compile-time preprocessor defines.
 
-It is best to define these options in the EXTRA_FLAGS environment variable;
+It is best to define these options in the EXTRA_CFLAGS environment variable;
 ``EXTRA_CFLAGS="-DPy_REF_DEBUG" ./configure``.
 
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