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diff --git a/scripts/readelf.py b/scripts/readelf.py
index 56b78e3..720106d 100755
--- a/scripts/readelf.py
+++ b/scripts/readelf.py
@@ -11,7 +11,8 @@
 from optparse import OptionParser
 import string
 
-# For running from development directory.
+# For running from development directory. It should take precedence over the
+# installed pyelftools.
 sys.path.insert(0, '.')