Update README.md

README.md

@@ -61,7 +61,7 @@ license: apache-2.0
 ---
 
 
-# Model card for FLan-UL2
+# Model card for Flan-UL2
 
 ![model image](https://raw.githubusercontent.com/google-research/google-research/master/ul2/figs/ul2.png)