Update README.md

updated test case

README.md

@@ -5,7 +5,7 @@ tags :
 - alloys
 - metallurgy
 widget:
-- text: "O 6 3 3 , <mask> 6 7 0 , Ge 3 0 0 , Na2O 1 0 0 , GeO2 9 0 0"
+- text: "Li 7 1 , <mask> 6 1 8 , Na 8 2 , P 2 0 9 , Pb 2 0"
 ---
 # GlassBERTa
 ## Language Modelling as Unsupervised Pre-Training for Glass Alloys