Updated README.md

Added an alternative link for cloning the repo in the build instructions

diff --git a/README.md b/README.md
index 63ffdee..9cfdce1 100644 (file)
--- a/README.md
+++ b/README.md
@@ -61,7 +61,10 @@ Building
 
 ```bash
 cd <parent of where you want glslang to be>
+# If using SSH
 git clone git@github.com:KhronosGroup/glslang.git
+# Or if using HTTPS
+git clone https://github.com/KhronosGroup/glslang.git
 ```
 
 #### 2) Check-Out External Projects