diff --git a/configure.py b/configure.py
index 5c1360615de6b3..660c8fc41aebf5 100755
--- a/configure.py
+++ b/configure.py
@@ -574,7 +574,7 @@
 parser.add_option('--enable-asan',
     action='store_true',
     dest='enable_asan',
-    help='build with asan')
+    help='compile for Address Sanitizer to find memory bugs')
 
 parser.add_option('--enable-static',
     action='store_true',