diff --git a/configure.ac b/configure.ac
index 7a65794..7fa23a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,8 +68,7 @@ AC_FUNC_STRNLEN
 AC_CHECK_FUNCS([atexit dup2 ftruncate getcwd gettimeofday localtime_r memchr memset mkdir rmdir setlocale socket strcasecmp strchr strdup strerror strncasecmp strndup strrchr strspn strstr strtol strtoul], , [AC_MSG_FAILURE([cannot find the $ac_func function, which i3lock requires])])
 AC_CHECK_FUNCS([explicit_bzero])
 
-# Checks for libraries.
-
+# Check for libraries
 AC_SEARCH_LIBS([floor], [m], , [AC_MSG_FAILURE([cannot find the required floor() function despite trying to link with -lm])])
 
 # libev does not ship with a pkg-config file :(.
diff --git a/pam/i3lock b/pam/i3lock
index 4945139..52716ec 100644
--- a/pam/i3lock
+++ b/pam/i3lock
@@ -1,7 +1,8 @@
 #
-# PAM configuration file for the i3lock-color screen locker. By default, it includes
-# the 'system-auth' configuration file (see /etc/pam.d/system-auth) for Arch and Gentoo
-# and 'login' for Debian. Note that vanilla i3lock upstream uses 'login' instead.
+# PAM configuration file for the i3lock-color screen locker. By default, it
+# includes the 'system-auth' configuration file (see /etc/pam.d/system-auth)
+# for Arch and Gentoo and 'login' for Debian. Note that upstream uses only
+# 'login', which breaks on Arch and Gentoo.
 #
 
 #auth include system-auth # For Arch/Gentoo