diff --git a/security/py-acme/Makefile b/security/py-acme/Makefile
index 252d1e0ae27f8..d17895711b87e 100644
--- a/security/py-acme/Makefile
+++ b/security/py-acme/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	acme
-PORTVERSION=	0.18.1
+PORTVERSION=	0.18.2
 PORTEPOCH=	1
 CATEGORIES=	security python
 MASTER_SITES=	CHEESESHOP
diff --git a/security/py-acme/distinfo b/security/py-acme/distinfo
index 5538937236521..a6066b12b942d 100644
--- a/security/py-acme/distinfo
+++ b/security/py-acme/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1505333278
-SHA256 (acme-0.18.1.tar.gz) = 1e4c6c0a3fb9906f0d1389a39c76d730e2691d7f168a219e464237381ddcc667
-SIZE (acme-0.18.1.tar.gz) = 94681
+TIMESTAMP = 1506217356
+SHA256 (acme-0.18.2.tar.gz) = 718efa9b3a7e6defcc7179e214a838d43a2bcef7dbd77667a2e505504e453ef6
+SIZE (acme-0.18.2.tar.gz) = 94686
diff --git a/security/py-certbot/Makefile b/security/py-certbot/Makefile
index 7f7c9ff77d875..8fab8c516be6c 100644
--- a/security/py-certbot/Makefile
+++ b/security/py-certbot/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	certbot
-PORTVERSION=	0.18.1
+PORTVERSION=	0.18.2
 PORTEPOCH=	1
 CATEGORIES=	security python
 MASTER_SITES=	CHEESESHOP
diff --git a/security/py-certbot/distinfo b/security/py-certbot/distinfo
index a43d764420261..78d6ea1707bef 100644
--- a/security/py-certbot/distinfo
+++ b/security/py-certbot/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1505333366
-SHA256 (certbot-0.18.1.tar.gz) = ae0aaf0cc1af53713232a222fb20891475ec9ff9d128a277c4e0f92ea7c36b4c
-SIZE (certbot-0.18.1.tar.gz) = 276600
+TIMESTAMP = 1506217370
+SHA256 (certbot-0.18.2.tar.gz) = 0122e6ee3fc1167fa91883b9f2ea1897f3d0d4612739f175827b5a3e8f259c9a
+SIZE (certbot-0.18.2.tar.gz) = 276589
diff --git a/security/py-certbot/pkg-message b/security/py-certbot/pkg-message
index 94bff7190ed4f..00a87b19d6bc0 100644
--- a/security/py-certbot/pkg-message
+++ b/security/py-certbot/pkg-message
@@ -1,19 +1,25 @@
 ===========================================================================
 
-This port installs the "standalone" Python client only, which does not use and
+This port installs the "standalone" client only, which does not use and
 is not the certbot-auto bootstrap/wrapper script.
 
-To obtain certificates, use the 'certonly' command as follows:
+The simplest form of usage to obtain certificates is:
 
- # sudo certbot certonly --standalone -d [server FQDN]
+ # sudo certbot certonly --standalone -d <domain>, [domain2, ... domainN]>
 
-Note: The client currently requires the ability to bind on TCP port 80. If
-you have a server running on this port, it will need to be temporarily stopped
-so that the standalone server can listen on that port to complete
-authentication.
+NOTE:
+
+The client requires the ability to bind on TCP port 80 or 443 (depending
+on the --preferred-challenges option used). If a server is running on that
+port, it will need to be temporarily stopped so that the standalone server
+can listen on that port to complete the challenge authentication process.
+
+For more information on the 'standalone' mode, see:
+
+  https://certbot.eff.org/docs/using.html#standalone
 
 The certbot plugins to support apache and nginx certificate installation
-will be made available soon in the following ports:
+will be made available in the following ports:
 
  * Apache plugin: security/py-certbot-apache
  * Nginx plugin: security/py-certbot-nginx