diff --git a/tools/python/jwutils/stree/StringTree.py b/tools/python/jwutils/stree/StringTree.py
index 6addf13..a9d2062 100644
--- a/tools/python/jwutils/stree/StringTree.py
+++ b/tools/python/jwutils/stree/StringTree.py
@@ -185,7 +185,7 @@ class StringTree: # export
                 return None
             return child.value()
         if len(self.children) == 0:
-            raise Exception('tried to get value from leave "{}"'.format(self.content))
+            raise Exception('tried to get value from leaf "{}"'.format(self.content))
         slog(DEBUG, f'Returning value from children {self.children}')
         return self.children[next(reversed(self.children))].content # type: ignore