typos-doc fixed
* Python 2.7 (>= 2.7.5)
### Tested OS
-Tornado has been succefully tested on the following platforms:
+Tornado has been successfully tested on the following platforms:
* CentOS >= 7.3
* Fedora >= 21
@@ -109,7 +109,7 @@ Otherwise try in install cmake.
For simplicity it might be easier to install cmake in your home
directory.
- * Redhat Enterprise Linux / CentOS use cmake v2.8
+ * Red-Hat Enterprise Linux / CentOS use cmake v2.8
* We require a newer version so that OpenCL is configured properly.
```bash
