minor edits to widget example titles

README.md

@@ -9,9 +9,9 @@ metrics:
 - f1
 widget:
 - text: "Be careful around those DemocRats."
-  example_title: "Namecalling"
+  example_title: "Namecall"
 - text: "Be careful around those Democrats."
-  example_title: "Not Namecalling"
+  example_title: "No Namecall"
 ---
 
 # Model Card for roberta-base-namecalling