diff --git a/src/main/java/org/apache/commons/math3/linear/OpenMapRealVector.java b/src/main/java/org/apache/commons/math3/linear/OpenMapRealVector.java
index 7279885e0..2ae77eeb9 100644
--- a/src/main/java/org/apache/commons/math3/linear/OpenMapRealVector.java
+++ b/src/main/java/org/apache/commons/math3/linear/OpenMapRealVector.java
@@ -34,7 +34,8 @@ import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator;
  * @since 2.0
  * @deprecated As of version 3.1, this class is deprecated, for reasons exposed
  * in this JIRA
- * <a href="https://issues.apache.org/jira/browse/MATH-870">ticket</a>.
+ * <a href="https://issues.apache.org/jira/browse/MATH-870">ticket</a>. This
+ * class will be removed in version 4.0.
  */
 @Deprecated
 public class OpenMapRealVector extends SparseRealVector
diff --git a/src/main/java/org/apache/commons/math3/linear/SparseRealVector.java b/src/main/java/org/apache/commons/math3/linear/SparseRealVector.java
index 8e76df8b0..c66d4d716 100644
--- a/src/main/java/org/apache/commons/math3/linear/SparseRealVector.java
+++ b/src/main/java/org/apache/commons/math3/linear/SparseRealVector.java
@@ -22,7 +22,8 @@ package org.apache.commons.math3.linear;
  * @since 2.0
  * @deprecated As of version 3.1, this class is deprecated, for reasons exposed
  * in this JIRA
- * <a href="https://issues.apache.org/jira/browse/MATH-870">ticket</a>.
+ * <a href="https://issues.apache.org/jira/browse/MATH-870">ticket</a>. This
+ * class will be removed in version 4.0.
  *
  */
 @Deprecated