IGNITE-11772: [ML] Broken javadoc

review fixes
diff --git a/modules/ml/src/main/java/org/apache/ignite/ml/composition/boosting/convergence/simple/ConvergenceCheckerStub.java b/modules/ml/src/main/java/org/apache/ignite/ml/composition/boosting/convergence/simple/ConvergenceCheckerStub.java
index 01ea376..eb1aa2a 100644
--- a/modules/ml/src/main/java/org/apache/ignite/ml/composition/boosting/convergence/simple/ConvergenceCheckerStub.java
+++ b/modules/ml/src/main/java/org/apache/ignite/ml/composition/boosting/convergence/simple/ConvergenceCheckerStub.java
@@ -46,6 +46,8 @@
      * @param externalLbToInternalMapping External label to internal mapping.
      * @param loss Loss function.
      * @param datasetBuilder Dataset builder.
+     * @param preprocessor preprocessor.
+     * @param precision precision.
      */
     public ConvergenceCheckerStub(long sampleSize, IgniteFunction externalLbToInternalMapping, Loss loss,
         DatasetBuilder datasetBuilder, Preprocessor<K, V> preprocessor, double precision) {
diff --git a/modules/ml/src/main/java/org/apache/ignite/ml/genetic/MutateTask.java b/modules/ml/src/main/java/org/apache/ignite/ml/genetic/MutateTask.java
index dd65ed9..4574437 100644
--- a/modules/ml/src/main/java/org/apache/ignite/ml/genetic/MutateTask.java
+++ b/modules/ml/src/main/java/org/apache/ignite/ml/genetic/MutateTask.java
@@ -77,9 +77,9 @@
     /**
      * @param nodes List of ClusterNode
      * @param chromosomeKeys Primary keys for respective chromosomes
+     * @return computed jobs mapped on cluster nodes.
      */
     @Override public Map map(List<ClusterNode> nodes, List<Long> chromosomeKeys) throws IgniteException {
-
         Map<ComputeJob, ClusterNode> map = new HashMap<>();
         Affinity affinity = ignite.affinity(GAGridConstants.POPULATION_CACHE);
 
@@ -88,6 +88,7 @@
             ClusterNode primary = affinity.mapKeyToNode(key);
             map.put(ajob, primary);
         }
+
         return map;
     }