diff --git a/scripts/broadcast-pc-anywhere.nse b/scripts/broadcast-pc-anywhere.nse
index fec87326b..dd9e4891b 100644
--- a/scripts/broadcast-pc-anywhere.nse
+++ b/scripts/broadcast-pc-anywhere.nse
@@ -1,5 +1,5 @@
 description = [[
-Sends a special broadcast probe to discover PC-Anywhere hosts running on a LAN
+Sends a special broadcast probe to discover PC-Anywhere hosts running on a LAN.
 ]]
 
 ---
diff --git a/scripts/broadcast-pc-duo.nse b/scripts/broadcast-pc-duo.nse
index 60b12e225..f14eade0c 100644
--- a/scripts/broadcast-pc-duo.nse
+++ b/scripts/broadcast-pc-duo.nse
@@ -1,5 +1,5 @@
 description = [[
-Discovers PC-DUO remote control hosts and gateways running on the LAN
+Discovers PC-DUO remote control hosts and gateways running on a LAN by sending a special UDP probe.
 ]]
 
 ---
diff --git a/scripts/dns-blacklist.nse b/scripts/dns-blacklist.nse
index 15fea18b9..e12392ba0 100644
--- a/scripts/dns-blacklist.nse
+++ b/scripts/dns-blacklist.nse
@@ -1,7 +1,6 @@
 description = [[
 Checks target IP addresses against multiple DNS anti-spam and open
-proxy blacklists and returns a list of services where the IP has been
-blacklisted.  Checks may be limited by service category (eg: SPAM,
+proxy blacklists and returns a list of services for which an IP has been flagged.  Checks may be limited by service category (eg: SPAM,
 PROXY) or to a specific service name.  ]]
 
 ---
diff --git a/scripts/http-open-redirect.nse b/scripts/http-open-redirect.nse
index eac7d1c42..e43272619 100644
--- a/scripts/http-open-redirect.nse
+++ b/scripts/http-open-redirect.nse
@@ -1,7 +1,7 @@
 description = [[
 Spiders a website and attempts to identify open redirects. Open
 redirects are handlers which commonly take a URL as a parameter and
-responds with a http redirect (3XX) to the target.
+responds with a http redirect (3XX) to the target.  Risks of open redirects are described at http://cwe.mitre.org/data/definitions/601.html.
 ]]
 
 ---