diff --git a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/primitive/wrapper/ReferenceWrapper.java b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/primitive/wrapper/ReferenceWrapper.java
index fc957950..339087e9 100644
--- a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/primitive/wrapper/ReferenceWrapper.java
+++ b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/primitive/wrapper/ReferenceWrapper.java
@@ -10,6 +10,8 @@
 
 /**
  * Wrapper of a reference.
+ *
+ * @param <T> type of reference
  */
 public interface ReferenceWrapper<T> {
 
@@ -17,6 +19,7 @@ public interface ReferenceWrapper<T> {
      * Creates new simple reference wrapper.
      *
      * @param value initial reference of int wrapper
+     * @param <T> type of reference
      * @return created reference wrapper
      */
     static <T> ReferenceWrapper<T> create(final T value) {
@@ -26,6 +29,7 @@ static <T> ReferenceWrapper<T> create(final T value) {
     /**
      * Creates new simple reference wrapper with initial value set to {@code null}.
      *
+     * @param <T> type of reference
      * @return created reference wrapper
      */
     static <T> ReferenceWrapper<T> create() {
@@ -36,6 +40,7 @@ static <T> ReferenceWrapper<T> create() {
      * Creates new atomic reference wrapper.
      *
      * @param value initial value of reference wrapper
+     * @param <T> type of reference
      * @return created reference wrapper
      */
     static <T> ReferenceWrapper<T> createAtomic(final T value) {
@@ -45,6 +50,7 @@ static <T> ReferenceWrapper<T> createAtomic(final T value) {
     /**
      * Creates new atomic reference wrapper with initial value set to {@code null}.
      *
+     * @param <T> type of reference
      * @return created reference wrapper
      */
     static <T> ReferenceWrapper<T> createAtomic() {
@@ -109,6 +115,8 @@ static <T> ReferenceWrapper<T> createAtomic() {
 
     /**
      * {@link ReferenceWrapper} implementation based on primitive reference.
+     *
+     * @param <T> type of reference
      */
     @ToString
     @EqualsAndHashCode
@@ -166,6 +174,8 @@ public T accumulateAndGet(final T updateValue, final @NonNull BinaryOperator<T>
 
     /**
      * {@link ReferenceWrapper} implementation based on {@link AtomicReference}.
+     *
+     * @param <T> type of reference
      */
     @ToString
     @EqualsAndHashCode
diff --git a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/BlackHole.java b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/BlackHole.java
index 1f078c16..4f8bcce7 100644
--- a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/BlackHole.java
+++ b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/BlackHole.java
@@ -11,8 +11,8 @@ public class BlackHole {
     /**
      * Consumes the provided value without any visible side effects.
      * This may be used for scenarios when an arbitrary expression has to be treated as a statement,
-     * for example{@code String.class}</pre> is an expression but not a statement
-     * but <pre>{@code BlackHole.consume(String.class)}</pre> is.
+     * for example{@code String.class} is an expression but not a statement
+     * but {@code BlackHole.consume(String.class)} is.
      *
      * @param value consumed value
      * @param <T> type of consumed value
diff --git a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/AutoEnumCollectors.java b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/AutoEnumCollectors.java
index a554b8a9..01001dc6 100644
--- a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/AutoEnumCollectors.java
+++ b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/AutoEnumCollectors.java
@@ -14,7 +14,7 @@
 
 /**
  * {@link Collector Collectors} for use with enums with automatic type inference.
- * This delegates its logic to the corresponding methods of {@link AutoEnumCollectors}
+ * This delegates its logic to the corresponding methods of {@link EnumCollectors}
  * but infers enum types via {@link TypeHints#resolve(Object[]) type hints}
  * this leads to insignificant overhead due to empty-array allocation cost
  * thus it is recommended to provide types explicitly in critical sections.
@@ -29,7 +29,9 @@ public class AutoEnumCollectors {
      * @param valueMapper mapping function used to convert the elements into values
      * @param merger function used to handle duplicate values
      * @param typeHint array used for enum-type discovery
+     * @param <T> type of the input elements
      * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     @SafeVarargs
@@ -49,6 +51,7 @@ public class AutoEnumCollectors {
      * @param merger function used to handle duplicate values
      * @param typeHint array used for enum-type discovery
      * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     @SafeVarargs
diff --git a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/EnumCollectors.java b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/EnumCollectors.java
index d86977f7..23a7eafa 100644
--- a/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/EnumCollectors.java
+++ b/java-commons/src/main/java/ru/progrm_jarvis/javacommons/util/stream/EnumCollectors.java
@@ -31,11 +31,13 @@ public class EnumCollectors {
     /**
      * Returns a {@link Collector} that accumulates the input elements into a new enum-{@link Map}.
      *
-     * @param <E> type of the enum
      * @param type type object of the enum
      * @param keyMapper mapping function used to convert the elements into enum-keys
      * @param valueMapper mapping function used to convert the elements into values
      * @param merger function used to handle duplicate values
+     * @param <T> type of the input elements
+     * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     public <T, E extends Enum<E>, V> @NotNull Collector<T, ?, @NotNull Map<E, V>> toEnumMap(
@@ -54,7 +56,9 @@ public class EnumCollectors {
      * @param valueMapper mapping function used to convert the elements into values
      * @param merger function used to handle duplicate values
      * @param typeHint array used for enum-type discovery
+     * @param <T> type of the input elements
      * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     @SafeVarargs
@@ -70,10 +74,12 @@ public class EnumCollectors {
     /**
      * Returns a {@link Collector} that accumulates the input elements into a new enum-{@link Map}.
      *
-     * @param <E> type of the enum
      * @param type type object of the enum
      * @param keyMapper mapping function used to convert the elements into enum-keys
      * @param valueMapper mapping function used to convert the elements into values
+     * @param <T> type of the input elements
+     * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     public <T, E extends Enum<E>, V> @NotNull Collector<T, ?, @NotNull Map<E, V>> toEnumMap(
@@ -87,9 +93,10 @@ public class EnumCollectors {
     /**
      * Returns a {@link Collector} that accumulates the input elements into a new enum-{@link Map}.
      *
-     * @param <E> type of the enum
      * @param type type object of the enum
      * @param valueMapper mapping function used to convert the elements into values
+     * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     public <E extends Enum<E>, V> @NotNull Collector<E, ?, @NotNull Map<E, V>> toEnumMap(
@@ -102,10 +109,11 @@ public class EnumCollectors {
     /**
      * Returns a {@link Collector} that accumulates the input elements into a new enum-{@link Map}.
      *
-     * @param <E> type of the enum
      * @param type type object of the enum
      * @param valueMapper mapping function used to convert the elements into values
      * @param merger function used to handle duplicate values
+     * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     public <E extends Enum<E>, V> @NotNull Collector<E, ?, @NotNull Map<E, V>> toEnumMap(
@@ -123,6 +131,7 @@ public class EnumCollectors {
      * @param merger function used to handle duplicate values
      * @param typeHint array used for enum-type discovery
      * @param <E> type of the enum
+     * @param <V> type of map values
      * @return a collector collecting al its elements into an enum-map
      */
     @SafeVarargs