diff --git a/intertidal/elevation.py b/intertidal/elevation.py
index 1030bd3..bb6ff01 100644
--- a/intertidal/elevation.py
+++ b/intertidal/elevation.py
@@ -46,7 +46,7 @@
 from intertidal.tidal_bias_offset import bias_offset, tidal_offset_tidelines
 
 
-def test_func(a):
+def sample_func(a):
     return a