note some large dependencies)

README.md

@@ -51,13 +51,16 @@ python3.10 -m venv .venv
 ```powershell
 pip install pyxy3d
 ```
-Note that this will also install dependencies into the virtual environment, so complete download and installation may take several minutes..
+Note that this will also install dependencies into the virtual environment, some of which are large (OpenCV, SciPy and Numpy are among the core dependencies). Complete download and installation may take several minutes. 
 
 6. Launch Pyxy3D    
 ```powershell
 pyxy3d
 ```
-At this point, an application window should launch. It may take several seconds for this to load. Refer to the [Quick Start Video Walkthrough](https://youtu.be/QHQKkLCE0e4) to see how to calibrate, record and process data
+
+
+At this point, an application window should launch, though be aware that it may take several seconds for this to load. 
+Refer to the [Quick Start Video Walkthrough](https://youtu.be/QHQKkLCE0e4) to see how to calibrate, record and process data
 
 ## Key Features