diff --git a/man3/ulimit.3 b/man3/ulimit.3
index cb713291c..8c6f5386f 100644
--- a/man3/ulimit.3
+++ b/man3/ulimit.3
@@ -74,7 +74,7 @@ is set appropriately.
 .SH ERRORS
 .TP
 .B EPERM
-A unprivileged process tried to increase a limit.
+An unprivileged process tried to increase a limit.
 .SH ATTRIBUTES
 For an explanation of the terms used in this section, see
 .BR attributes (7).