diff --git a/sources/tech/20180827 An introduction to diffs and patches.md b/sources/tech/20180827 An introduction to diffs and patches.md
index 1c81b97bf6..cdd0c49d69 100644
--- a/sources/tech/20180827 An introduction to diffs and patches.md	
+++ b/sources/tech/20180827 An introduction to diffs and patches.md	
@@ -1,3 +1,5 @@
+Translating by DavidChenLiang
+
 An introduction to diffs and patches
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 ![](https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/find-file-linux-code_magnifying_glass_zero.png?itok=E2HoPDg0)