diff --git a/README.md b/README.md
index 78410cce..504623f2 100644
--- a/README.md
+++ b/README.md
@@ -136,6 +136,7 @@ To create an org unit:
 OrgUnit orgUnit = new OrgUnit();
 orgUnit.setName("Ngelehun");
 orgUnit.setCode("NGLH");
+orgUnit.setPointGeometry(-11.452, 8.057);
 
 ObjectResponse response = dhis2.saveOrgUnit(orgUnit);
 ```
diff --git a/pom.xml b/pom.xml
index 44a9e0be..5085be1b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>org.hisp</groupId>
   <artifactId>dhis2-java-client</artifactId>
-  <version>2.1.6-SNAPSHOT</version>
+  <version>2.1.5</version>
   <packaging>jar</packaging>
 
   <name>DHIS 2 API client for Java</name>
diff --git a/src/main/java/org/hisp/dhis/model/event/Event.java b/src/main/java/org/hisp/dhis/model/event/Event.java
index 0022c166..89813602 100644
--- a/src/main/java/org/hisp/dhis/model/event/Event.java
+++ b/src/main/java/org/hisp/dhis/model/event/Event.java
@@ -141,7 +141,7 @@ public boolean isGeometryPoint() {
   /**
    * Indicates whether geometry is of the given type.
    *
-   * @param the type, use {@link Geometry} > {@code TYPENAME} constant values.
+   * @param type the type, use {@link Geometry} {@code TYPENAME} constant values.
    * @return true if geometry is of the given type.
    */
   public boolean isGeometryType(String type) {
diff --git a/src/main/java/org/hisp/dhis/query/analytics/AnalyticsQuery.java b/src/main/java/org/hisp/dhis/query/analytics/AnalyticsQuery.java
index 53bc2916..9d3964d4 100644
--- a/src/main/java/org/hisp/dhis/query/analytics/AnalyticsQuery.java
+++ b/src/main/java/org/hisp/dhis/query/analytics/AnalyticsQuery.java
@@ -35,6 +35,7 @@
 import org.hisp.dhis.model.AggregationType;
 import org.hisp.dhis.model.IdScheme;
 
+/** Analytics data query. */
 @Getter
 @Setter
 @Accessors(chain = true)
@@ -63,19 +64,43 @@ public class AnalyticsQuery {
 
   private AnalyticsQuery() {}
 
+  /**
+   * Creates a new instance of this query.
+   *
+   * @return an {@link AnalyticsQuery}.
+   */
   public static AnalyticsQuery instance() {
     return new AnalyticsQuery();
   }
 
+  /**
+   * Adds a dimension to this query.
+   *
+   * @param dimension the {@link Dimension}.
+   * @return this {@link AnalyticsQuery}.
+   */
   public AnalyticsQuery addDimension(Dimension dimension) {
     this.dimensions.add(dimension);
     return this;
   }
 
+  /**
+   * Adds a dimension and items to this query.
+   *
+   * @param dimension the dimension identifier.
+   * @param items the list of dimension items.
+   * @return this {@link AnalyticsQuery}.
+   */
   public AnalyticsQuery addDimension(String dimension, List<String> items) {
     return addDimension(new Dimension(dimension, items));
   }
 
+  /**
+   * Adds a filter to this query.
+   *
+   * @param filter the {@link Dimension}.
+   * @return this {@link AnalyticsQuery}.
+   */
   public AnalyticsQuery addFilter(Dimension filter) {
     this.filters.add(filter);
     return this;
diff --git a/src/main/java/org/hisp/dhis/response/data/AsyncSummaryResponse.java b/src/main/java/org/hisp/dhis/response/data/AsyncSummaryResponse.java
index 35d4e91f..a8c4608c 100644
--- a/src/main/java/org/hisp/dhis/response/data/AsyncSummaryResponse.java
+++ b/src/main/java/org/hisp/dhis/response/data/AsyncSummaryResponse.java
@@ -37,6 +37,7 @@
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.hisp.dhis.response.BaseHttpResponse;
 
+/** Asynchronous import summary response. */
 @Getter
 @Setter
 @NoArgsConstructor