Fixed typo in exception message

hashKyeName changed to hashKeyName

Author: AntonFagerberg

aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/document/PrimaryKey.java

@@ -49,7 +49,7 @@ public PrimaryKey(String hashKeyName, Object hashKeyValue) {
     public PrimaryKey(String hashKeyName, Object hashKeyValue,
             String rangeKeyName, Object rangeKeyValue) {
         if (hashKeyName.equals(rangeKeyName))
-            throw new IllegalArgumentException("hashKyeName must not be the same as the rangeKeyName");
+            throw new IllegalArgumentException("hashKeyName must not be the same as the rangeKeyName");
         addComponent(hashKeyName, hashKeyValue);
         addComponent(rangeKeyName, rangeKeyValue);
     }