fix error

Author: weixing02

doc/fluid/getstarted/quickstart_cn.rst

@@ -11,7 +11,7 @@ PaddlePaddle支持使用pip快速安装，目前支持CentOS 6以上, Ubuntu 14.
 
      pip install paddlepaddle
 
-如果需要安装支持GPU的版本（cuda7.5_cudnn5_avx_openblas），需要执行：
+如果需要安装支持GPU的版本（cuda8.0_cudnn5_avx_openblas），需要执行：
 
   .. code-block:: bash
 
@@ -28,18 +28,18 @@ PaddlePaddle支持使用pip快速安装，目前支持CentOS 6以上, Ubuntu 14.
 
      import paddle.dataset.uci_housing as uci_housing
      import paddle.fluid as fluid
-  
+
      with fluid.scope_guard(fluid.core.Scope()):
          # initialize executor with cpu
          exe = fluid.Executor(place=fluid.CPUPlace())
-         # load inference model 
+         # load inference model
          [inference_program, feed_target_names,fetch_targets] =  \
              fluid.io.load_inference_model(uci_housing.fluid_model(), exe)
          # run inference
-         result = exe.run(inference_program, 
-                          feed={feed_target_names[0]: uci_housing.predict_reader()}, 
+         result = exe.run(inference_program,
+                          feed={feed_target_names[0]: uci_housing.predict_reader()},
                           fetch_list=fetch_targets)
-         # print predicted price is $12,273.97 
+         # print predicted price is $12,273.97
          print 'Predicted price: ${:,.2f}'.format(result[0][0][0] * 1000)
 
 执行 :code:`python housing.py` 瞧！ 它应该打印出预测住房数据的清单。

doc/fluid/getstarted/quickstart_en.rst

@@ -12,7 +12,7 @@ Simply run the following command to install, the version is cpu_avx_openblas:
 
      pip install paddlepaddle
 
-If you need to install GPU version (cuda7.5_cudnn5_avx_openblas), run:
+If you need to install GPU version (cuda8.0_cudnn5_avx_openblas), run:
 
   .. code-block:: bash
 
@@ -31,18 +31,18 @@ code:
 
      import paddle.dataset.uci_housing as uci_housing
      import paddle.fluid as fluid
-  
+
      with fluid.scope_guard(fluid.core.Scope()):
          # initialize executor with cpu
          exe = fluid.Executor(place=fluid.CPUPlace())
-         # load inference model 
+         # load inference model
          [inference_program, feed_target_names,fetch_targets] =  \
              fluid.io.load_inference_model(uci_housing.fluid_model(), exe)
          # run inference
-         result = exe.run(inference_program, 
-                          feed={feed_target_names[0]: uci_housing.predict_reader()}, 
+         result = exe.run(inference_program,
+                          feed={feed_target_names[0]: uci_housing.predict_reader()},
                           fetch_list=fetch_targets)
-         # print predicted price is $12,273.97 
+         # print predicted price is $12,273.97
          print 'Predicted price: ${:,.2f}'.format(result[0][0][0] * 1000)
 
 Run :code:`python housing.py` and voila! It should print out a list of predictions