updated metadata

emmanuelle · emmanuelle · commit 92bf97115f65 · 2019-09-04T13:56:03.000-04:00
diff --git a/python/ternary-contour.md b/python/ternary-contour.md
@@ -30,7 +30,7 @@ jupyter:
     name: Ternary contours
     page_type: u-guide
     permalink: python/ternary-contours/
-    thumbnail: thumbnail/trisurf.jpg
+    thumbnail: thumbnail/ternary-contour.jpg
     title: Python Ternary contours | plotly
 ---
 
