Javadoc typo fix

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/ser/std/NumberSerializers.java

@@ -18,7 +18,7 @@
 
 /**
  * Container class for serializers used for handling standard JDK-provided
- * primitve number types and their wrapper counterparts (like {@link java.lang.Integer}).
+ * primitive number types and their wrapper counterparts (like {@link java.lang.Integer}).
  */
 @SuppressWarnings("serial")
 public class NumberSerializers {