diff --git a/amanda.if b/amanda.if
index ea4cdc74a..1de178801 100644
--- a/amanda.if
+++ b/amanda.if
@@ -105,7 +105,7 @@ interface(`amanda_rw_dumpdates_files',`
 
 ########################################
 ## <summary>
-##	Search Amanda library directories.
+##	Manage Amanda library directories.
 ## </summary>
 ## <param name="domain">
 ##	<summary>
diff --git a/ntp.if b/ntp.if
index 4e3c917e8..bdce8b24c 100644
--- a/ntp.if
+++ b/ntp.if
@@ -63,7 +63,7 @@ interface(`ntp_run',`
 
 ########################################
 ## <summary>
-##	Execute ntp server in the ntpd domain.
+##	Execute ntpdate server in the ntpd domain.
 ## </summary>
 ## <param name="domain">
 ##	<summary>
diff --git a/shorewall.if b/shorewall.if
index 7bd45934d..108ce759c 100644
--- a/shorewall.if
+++ b/shorewall.if
@@ -21,7 +21,8 @@ interface(`shorewall_domtrans',`
 
 ######################################
 ## <summary>
-##	Execute a domain transition to run shorewall.
+##	Execute a domain transition to run shorewall
+##	using executables from /var/lib.
 ## </summary>
 ## <param name="domain">
 ## <summary>
diff --git a/virt.if b/virt.if
index f8e216e8d..d8cd32526 100644
--- a/virt.if
+++ b/virt.if
@@ -189,7 +189,7 @@ interface(`virt_domtrans_bridgehelper',`
 ########################################
 ## <summary>
 ##	Execute a domain transition to
-##	run virt bridgehelper.
+##	run virt leaseshelper.
 ## </summary>
 ## <param name="domain">
 ##	<summary>
@@ -434,8 +434,7 @@ interface(`virt_manage_config',`
 
 ########################################
 ## <summary>
-##	Create, read, write, and delete
-##	virt image files.
+##	Read virt content.
 ## </summary>
 ## <param name="domain">
 ##	<summary>