diff --git a/sources/tech/20180215 Build a bikesharing app with Redis and Python.md b/sources/tech/20180215 Build a bikesharing app with Redis and Python.md
index 06e4c6949a..d3232a0b4c 100644
--- a/sources/tech/20180215 Build a bikesharing app with Redis and Python.md	
+++ b/sources/tech/20180215 Build a bikesharing app with Redis and Python.md	
@@ -1,3 +1,5 @@
+translating by Flowsnow
+
 Build a bikesharing app with Redis and Python
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