diff --git a/ChangeLog b/ChangeLog
index b296ec0ad6..c29d25a6fa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-12-23  Aurelien Jarno <aurelien@aurel32.net>
+
+	[BZ #22596]
+	* manual/arith.texi (finite): Fix the description of the return
+	value.
+
 2017-12-22  Eric Blake  <ebb9@byu.net>
 
 	Avoid gcc warnings on cygwin
diff --git a/manual/arith.texi b/manual/arith.texi
index d12a6c9d26..4649bdf956 100644
--- a/manual/arith.texi
+++ b/manual/arith.texi
@@ -467,8 +467,8 @@ function for some reason, you can write
 @deftypefunx int finitel (long double @var{x})
 @standards{BSD, math.h}
 @safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
-This function returns a nonzero value if @var{x} is finite or a ``not a
-number'' value, and zero otherwise.
+This function returns a nonzero value if @var{x} is neither infinite nor
+a ``not a number'' value, and zero otherwise.
 @end deftypefun
 
 @strong{Portability Note:} The functions listed in this section are BSD