Update README.md

Author: shanyi15

doc/README.md

@@ -2,7 +2,6 @@
 
 Thanks for reading PaddlePaddle documentation. 
 
-Since **September 17th, 2018**, the **0.15.0 and develop** documentation source has been moved to [Fluiddoc Repo](https://github.com/PaddlePaddle/Paddle) and updated in Fluiddoc.
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+Since **September 17th, 2018**, the **0.15.0 and develop** documentation source has been moved to [Fluiddoc Repo](https://github.com/PaddlePaddle/Paddle) and updated in Fluiddoc Repo.
 
 Please turn to Fluiddoc Repo for the latest documentation.