diff --git a/commons-numbers-fraction/src/main/java/org/apache/commons/numbers/fraction/Fraction.java b/commons-numbers-fraction/src/main/java/org/apache/commons/numbers/fraction/Fraction.java
index 2ab8932..85ee30d 100644
--- a/commons-numbers-fraction/src/main/java/org/apache/commons/numbers/fraction/Fraction.java
+++ b/commons-numbers-fraction/src/main/java/org/apache/commons/numbers/fraction/Fraction.java
@@ -394,6 +394,13 @@
             new Fraction(-numerator, denominator);
     }
 
+    /**
+     * {@inheritDoc}
+     * 
+     * <p>Raises an exception if the fraction is equal to zero.
+     * 
+     * @throws ArithmeticException if the current numerator is {@code zero}
+     */
     @Override
     public Fraction reciprocal() {
         return new Fraction(denominator, numerator);