diff --git a/config-util.5 b/config-util.5
index 17d7f8a..625f17b 100644
--- a/config-util.5
+++ b/config-util.5
@@ -8,7 +8,7 @@ config-util \- Common PAM configuration file for configuration utilities
 .sp 2
 .SH DESCRIPTION
 
-The purpose of this configuration file is to provide common 
+The purpose of this configuration file is to provide common
 configuration file for all configuration utilities which must be run
 from the supervisor account and use the userhelper wrapper application.
 
@@ -23,7 +23,7 @@ There are not usually any other modules in the individual configuration
 files of these utilities.
 
 .sp
-It is possible for example to modify duration of the validity of the 
+It is possible for example to modify duration of the validity of the
 authentication timestamp there. See
 .BR pam_timestamp(8)
 for details.