diff --git a/commons-numbers-rootfinder/src/main/java/org/apache/commons/numbers/rootfinder/BrentSolver.java b/commons-numbers-rootfinder/src/main/java/org/apache/commons/numbers/rootfinder/BrentSolver.java
index 4fd4165..4b7c3c3 100644
--- a/commons-numbers-rootfinder/src/main/java/org/apache/commons/numbers/rootfinder/BrentSolver.java
+++ b/commons-numbers-rootfinder/src/main/java/org/apache/commons/numbers/rootfinder/BrentSolver.java
@@ -66,8 +66,9 @@
      * @param min Lower bound.
      * @param max Upper bound.
      * @return the root.
-     * @throws IllegalArgumentException if {@code min} &gt; {@code max}.
-     * @throws IllegalArgumentException if the given interval does not bracket the root.
+     * @throws IllegalArgumentException if {@code min > max}.
+     * @throws IllegalArgumentException if the given interval does
+     * not bracket the root.
      */
     public double findRoot(DoubleUnaryOperator func,
                            double min,
@@ -84,9 +85,10 @@
      * @param initial Initial guess.
      * @param max Upper bound.
      * @return the root.
-     * @throws IllegalArgumentException if {@code min} &gt; {@code max} or
-     *      {@code initial} is not in the range {@code (min, max)}.
-     * @throws IllegalArgumentException if the given interval does not bracket the root.
+     * @throws IllegalArgumentException if {@code min > max} or
+     * {@code initial} is not in the {@code [min, max]} interval.
+     * @throws IllegalArgumentException if the given interval does
+     * not bracket the root.
      */
     public double findRoot(DoubleUnaryOperator func,
                            double min,