Fix another stale method signature

Babcock, Scott · Babcock, Scott · commit ac774e11d094 · 2017-10-22T21:55:42.000-07:00
diff --git a/README.md b/README.md
@@ -276,7 +276,7 @@ public class MyArtifactType implements ArtifactType {
 }
 ```
 
-Pay special attention to the implementation of `getArtifact(Object)` above. This code will only capture artifacts for test classes that implement the **ArtifactParams** interface, and it uses this interface to get the description object for the current test.
+Pay special attention to the implementation of `getArtifact(Object, Throwable)` above. This code will only capture artifacts for test classes that implement the **ArtifactParams** interface, and it uses this interface to get the description object for the current test.
 
 ###### Creating a type-specific artifact collector
 ```java

Original file line number	Diff line number	Diff line change
`@@ -276,7 +276,7 @@ public class MyArtifactType implements ArtifactType {`
`276`	`276`	`}`
`277`	`277`	```
`278`	`278`
`279`		-Pay special attention to the implementation of `getArtifact(Object)` above. This code will only capture artifacts for test classes that implement the ArtifactParams interface, and it uses this interface to get the description object for the current test.
	`279`	+Pay special attention to the implementation of `getArtifact(Object, Throwable)` above. This code will only capture artifacts for test classes that implement the ArtifactParams interface, and it uses this interface to get the description object for the current test.
`280`	`280`
`281`	`281`	`###### Creating a type-specific artifact collector`
`282`	`282`	```java