Update README.md

Stephanie's suggestion

README.md

@@ -50,7 +50,7 @@ This model is intended to be used solely for (I) future research on visual-langu
 
 #### Primary Intended Use
 
-The primary intended use is to support AI researchers building on top of this work. CXR-BERT and its associated models should be helpful for exploring various clinical NLP & VLP research, especially in the radiology domain.
+The primary intended use is to support AI researchers building on top of this work. CXR-BERT and its associated models should be helpful for exploring various clinical NLP & VLP research questions, especially in the radiology domain.
 
 #### Out-of-Scope Use