Improve grammar in runtime_environment.rst (#29)

Added an article

Author: vishalsingha

docs/runtime_environment.rst

@@ -61,12 +61,12 @@ Limiting GPU memory Growth
 -----------------------------------------
 
 By default, OpenVisionCapsules maps all available memory of all visible CUDA configured GPUs.
-To prevent this, use following Environment flag while using Tensorflow.
+To prevent this, use the following Environment flag while using Tensorflow.
 
 .. code-block:: python
 
    TF_FORCE_GPU_ALLOW_GROWTH=True
 
 - This Environment variable is only applicable to Tensorflow.
 
-For proper reference, visit Tensorflow: https://www.tensorflow.org/guide/gpu#limiting_gpu_memory_growth
+For proper reference, visit Tensorflow: https://www.tensorflow.org/guide/gpu#limiting_gpu_memory_growth