Corrected the BuildWrapper.decorateLauncher method Javadoc.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@33485 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/tasks/BuildWrapper.java

@@ -149,7 +149,7 @@ public abstract class BuildWrapper extends AbstractDescribableImpl<BuildWrapper>
      * such as the use of sudo/pfexec/chroot, or manipulating environment variables.
      *
      * <p>
-     * The default implementation is no-op, which just returns the {@code listener} parameter as-is.
+     * The default implementation is no-op, which just returns the {@code launcher} parameter as-is.
      *
      * @param build
      *      The build in progress for which this {@link BuildWrapper} is called. Never null.