diff --git a/src/chrome/content/rules/explainshell.com.xml b/src/chrome/content/rules/explainshell.com.xml
new file mode 100644
index 000000000000..c1b1c98d4e99
--- /dev/null
+++ b/src/chrome/content/rules/explainshell.com.xml
@@ -0,0 +1,6 @@
+<ruleset name="explainshell.com">
+	<target host="explainshell.com" />
+	<target host="www.explainshell.com" />
+
+	<rule from="^http:" to="https:" />
+</ruleset>