Updates to the README.md file.

README.md

@@ -13,7 +13,7 @@ This product can be used to produce the following output:
 * Control-Flow graphs
 * Build errors and warnings
 
-The RGA package contains both a GUI app and a command-line exectuable.
+The RGA package contains both a GUI app and a command-line executable.
 
 The supported platforms by the **GUI app** are:
 * Vulkan - GLSL/SPIR-V as input, together with the Vulkan pipeline state, through AMD's Vulkan driver
@@ -50,7 +50,7 @@ Prebuild.bat --qt C:\Qt\Qt5.9.2\msvc2017_64 --vs 2017 --build release (or: debug
 
 Running the Prebuild script will fetch all the dependencies, and generate the solution file for Visual Studio. 
 After successfully running the preuild script, open RGA.sln from Build\CMake\VS2017 (or VS2015), and build:
-* RadeonGPUAnalyzerCLI project for the command line exectuable
+* RadeonGPUAnalyzerCLI project for the command line executable
 * RadeonGPUAnalyzerGUI project for the GUI app
 
 Some useful options of the Prebuild script:
@@ -119,7 +119,7 @@ named "x64" under the RGA executable's directory (for example, D3DCompiler_47.dl
 
 ## Running ##
 ### GUI App ###
-Run the RadeonGPUAnalyzerGUI exectuable. The app provides a quickstart guide and a help manual under Help. 
+Run the RadeonGPUAnalyzerGUI executable. The app provides a quickstart guide and a help manual under Help. 
 
 ### Command Line Executable ###