diff --git a/static/img/docs/filtering_rules.png b/static/img/docs/filtering_rules.png
index a4460291..b398ccc6 100644
Binary files a/static/img/docs/filtering_rules.png and b/static/img/docs/filtering_rules.png differ
diff --git a/templates/docs/configuring_checks.html b/templates/docs/configuring_checks.html
index 3f6847c3..49c0f648 100644
--- a/templates/docs/configuring_checks.html
+++ b/templates/docs/configuring_checks.html
@@ -45,14 +45,23 @@ what timezone to use.</li>
 for a late check.</li>
 </ul>
 <h2>Filtering Rules</h2>
+<p>In the "Filtering Rules" dialog you can control several advanced aspects of
+how SITE_NAME handles incoming pings for a particular check.</p>
 <p><img alt="Setting filtering rules" src="IMG_URL/filtering_rules.png" /></p>
 <ul>
-<li><strong>Allowed request methods for HTTP requests</strong>: optionally require the HTTP ping
-requests to use HTTP POST. Use this if you run into issues of bots hitting the ping
-URLs when you send them in email or post them in chat.</li>
-<li><strong>Subject must contain</strong>: when pinging via <a href="../email/">email</a>, require a particular
-keyword in the subject line. SITE_NAME will ignore any email messages with the
-keyword missing. This is useful, for example, when backup software sends
-emails with "Backup Successful" or "Backup Failed" subject lines after each run,
-and you want SITE_NAME to ignore the "Backup Failed" messages.</li>
+<li><strong>Allowed request methods for HTTP requests</strong>. You can require the ping
+requests to use HTTP POST. Use the "Only POST" option if you run into issues of
+preview bots hitting the ping URLs when you send them in email or post them in chat.</li>
+<li><strong>Filter by keywords in the Subject line</strong>. When pinging via <a href="../email/">email</a>,
+look for specific keywords in the subject line. If the subject line contains any of
+the keywords listed in <strong>Success Keywords</strong>, SITE_NAME will assume it to be a success
+signal. Likewise, if it contains any of the keywords listed in <strong>Failure Keywords</strong>,
+SITE_NAME will treat it as an explicit failure signal.
+This is useful, for example, if your backup software sends an email after each backup
+run with a different subject line depending on success or failure.</li>
+<li><strong>Pinging a Paused Check</strong>. When you ping a paused check, normally it leaves
+the paused state and goes into the "up" or "down" state (depending on the type of
+the ping). This changes if you select the "Ignore the ping, stay in the paused state"
+option: the paused state becomes "sticky". SITE_NAME will ignore all incoming pings
+until you explicitly <em>resume</em> the check.</li>
 </ul>
\ No newline at end of file
diff --git a/templates/docs/configuring_checks.md b/templates/docs/configuring_checks.md
index b40df23f..d5f53e9c 100644
--- a/templates/docs/configuring_checks.md
+++ b/templates/docs/configuring_checks.md
@@ -56,13 +56,23 @@ for a late check.
 
 ## Filtering Rules
 
+In the "Filtering Rules" dialog you can control several advanced aspects of
+how SITE_NAME handles incoming pings for a particular check.
+
 ![Setting filtering rules](IMG_URL/filtering_rules.png)
 
-* **Allowed request methods for HTTP requests**: optionally require the HTTP ping
-requests to use HTTP POST. Use this if you run into issues of bots hitting the ping
-URLs when you send them in email or post them in chat.
-* **Subject must contain**: when pinging via [email](../email/), require a particular
-keyword in the subject line. SITE_NAME will ignore any email messages with the
-keyword missing. This is useful, for example, when backup software sends
-emails with "Backup Successful" or "Backup Failed" subject lines after each run,
-and you want SITE_NAME to ignore the "Backup Failed" messages.
+* **Allowed request methods for HTTP requests**. You can require the ping
+requests to use HTTP POST. Use the "Only POST" option if you run into issues of
+preview bots hitting the ping URLs when you send them in email or post them in chat.
+* **Filter by keywords in the Subject line**. When pinging via [email](../email/),
+look for specific keywords in the subject line. If the subject line contains any of
+the keywords listed in **Success Keywords**, SITE_NAME will assume it to be a success
+signal. Likewise, if it contains any of the keywords listed in **Failure Keywords**,
+SITE_NAME will treat it as an explicit failure signal.
+This is useful, for example, if your backup software sends an email after each backup
+run with a different subject line depending on success or failure.
+* **Pinging a Paused Check**. When you ping a paused check, normally it leaves
+the paused state and goes into the "up" or "down" state (depending on the type of
+the ping). This changes if you select the "Ignore the ping, stay in the paused state"
+option: the paused state becomes "sticky". SITE_NAME will ignore all incoming pings
+until you explicitly *resume* the check.