[SPARK-7883] [DOCS] [MLLIB] Fixing broken trainImplicit Scala example in MLlib Collaborative Filtering documentation.

Fixing broken trainImplicit Scala example in MLlib Collaborative Filtering documentation to match one of the possible ALS.trainImplicit function signatures.

Author: Mike Dusenberry <dusenberrymw@gmail.com>

Closes #6422 from dusenberrymw/Fix_MLlib_Collab_Filtering_trainImplicit_Example and squashes the following commits:

36492f4 [Mike Dusenberry] Fixing broken trainImplicit example in MLlib Collaborative Filtering documentation to match one of the possible ALS.trainImplicit function signatures.

1 files changed, 2 insertions, 1 deletions

diff --git a/docs/mllib-collaborative-filtering.md b/docs/mllib-collaborative-filtering.md
index 7b397e30b2..dfdf6216b2 100644
--- a/docs/mllib-collaborative-filtering.md
+++ b/docs/mllib-collaborative-filtering.md
@@ -107,7 +107,8 @@ other signals), you can use the `trainImplicit` method to get better results.
 
 {% highlight scala %}
 val alpha = 0.01
-val model = ALS.trainImplicit(ratings, rank, numIterations, alpha)
+val lambda = 0.01
+val model = ALS.trainImplicit(ratings, rank, numIterations, lambda, alpha)
 {% endhighlight %}
 </div>