Minor grammatical fixes to README.md

README.md

@@ -23,7 +23,7 @@ The following components are required to be installed on your machine to build H
 * CMake (>=3.4.3)
 * Python (>=2.7)
 * GNU Make (>=3.79.1)
-* CUDA 9.1 (only required for GPU support)
+* CUDA (>=9.1) (only required for GPU support)
 
 ## Getting source code and building HPVM
 
@@ -43,8 +43,8 @@ llvm/tools and builds the entire tree. It also builds a modified LLVM C-Backend,
 to generate OpenCL kernels for GPUs.
 
 In the beginning of the building process, the installer provides users the choice of automatically or manually building HPVM. 
-If HPVM is selected to be automatically built, the installer allows users to type in the number of threads they want to use. 
-The default number of threads used to build HPVM is 2.
+If HPVM is selected to be built automatically, the installer allows users to type in the number of threads they want to use. 
+The default number of threads used to build HPVM is two.
 
 Alternatively, CMake can be run manually.
 ```shell
@@ -65,7 +65,7 @@ In order to manually build and install HPVM, GNU Make can be run using the follo
 make -j<number of threads>
 make install
 ```
-With all the aforementioned steps, HPVM should be built, installed and ready for use.
+With all the aforementioned steps, HPVM should be built, installed and ready to use.
 
 ## Benchmarks and Tests
 We are providing the following [HPVM benchmarks](/hpvm/test/benchmarks):