From db50bb3c3c3311bf286dcebf1ffe6edef25f2aee Mon Sep 17 00:00:00 2001
From: Gilles <erans@apache.org>
Date: Tue, 10 May 2016 23:41:59 +0200
Subject: [PATCH] Typo.

---
 src/main/java/org/apache/commons/math4/special/Gamma.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/apache/commons/math4/special/Gamma.java b/src/main/java/org/apache/commons/math4/special/Gamma.java
index c59049cc9..e79827752 100644
--- a/src/main/java/org/apache/commons/math4/special/Gamma.java
+++ b/src/main/java/org/apache/commons/math4/special/Gamma.java
@@ -436,7 +436,7 @@ public class Gamma {
      * 0 < x < 10^-5 and within 10^-8 absolute tolerance otherwise.</p>
      *
      * @param x Argument.
-     * @return digamma(x) to within 10-8 relative or absolute error whichever is larger.
+     * @return digamma(x) to within 10^-8 relative or absolute error whichever is larger.
      * @see <a href="http://en.wikipedia.org/wiki/Digamma_function">Digamma</a>
      * @see <a href="http://www.uv.es/~bernardo/1976AppStatist.pdf">Bernardo&apos;s original article </a>
      * @since 2.0
@@ -480,7 +480,7 @@ public class Gamma {
      * of digamma.
      *
      * @param x Argument.
-     * @return trigamma(x) to within 10-8 relative or absolute error whichever is smaller
+     * @return trigamma(x) to within 10^-8 relative or absolute error whichever is smaller
      * @see <a href="http://en.wikipedia.org/wiki/Trigamma_function">Trigamma</a>
      * @see Gamma#digamma(double)
      * @since 2.0