update readme

README.md

@@ -3,11 +3,11 @@
 
 First, follow the instruction to install [ROCm](https://github.com/RadeonOpenCompute/ROCm), which provides the HCC compiler, the ROCr runtime and the toolchains to compile the samples.  
 
-### How to Build the SDK Samples ###
+### How to Build the Samples ###
 
-#### HCC C++ samples ####
+#### HC C++ samples ####
 
 1. Make sure the HCC compiler is in your path.  The default installation of HCC is /opt/rocm/bin.
-2. In the C++AMP directory, create a build directory.
+2. In the HCC-Example-Applications directory, create a build directory.
 3. Go into the build directory, then type `CXX=hcc cmake ..` to generate the makefiles.
 4. Type `make` to compile the samples.