Update README.md

README.md

@@ -144,7 +144,7 @@ spark-submit --class distributed.Exact --master yarn --conf "spark.dynamicAlloca
 ````
 #### When using ML-1m
 ````
-spark-submit --class distributed.Exact --master yarn --conf "spark.dynamicAllocation.enabled=false" --num-executors 1 m2_yourid-assembly-1.0.jar --json exact-1m-1.json --train $ML1Mrbtrain --test $ML1Mrbtest --separator :: --k 300 --users 6040 --movies 4000
+spark-submit --class distributed.Exact --master yarn --conf "spark.dynamicAllocation.enabled=false" --num-executors 1 m2_yourid-assembly-1.0.jar --json exact-1m-1.json --train $ML1Mrbtrain --test $ML1Mrbtest --separator :: --k 300 --users 6040 --movies 3952
 ````
 
 In order to keep results obtained with different parameters in different .json files, simply modify the corresponding parameter ("--json") passed and the values. For instance, with ```--num-executors 4``` : ```--json exact-1m-4.json```.