diff --git a/README b/README
index c2408bdcebb..cce60fa10f9 100644
--- a/README
+++ b/README
@@ -1057,6 +1057,11 @@ Modules/getpath.o.
 
 --with-tsc: Profile using the Pentium timestamping counter (TSC).
 
+--with-fpectl:  Enable building the ``fpectl'' module which can be used
+	to control the generation of SIGFPE and its conversion into a
+	Python exception. Note: this module is dangerous or useless
+	except in the hands of experts.
+
 
 Building for multiple architectures (using the VPATH feature)
 -------------------------------------------------------------