fixed typo

davidchesnut · davidchesnut · commit 530e9720a87b · 2017-11-19T12:18:47.000-08:00
diff --git a/docs/declarative-customization/site-design-json-schema.md b/docs/declarative-customization/site-design-json-schema.md
@@ -86,7 +86,7 @@ Example:
 }
 ```
 
-### **addSPField**
+### addSPField
 
 Adds a new field.
 
