diff --git a/files/en-us/mozilla/firefox/releases/22/index.md b/files/en-us/mozilla/firefox/releases/22/index.md
index 067cab71e5b1fba..a7f6a2220eac8ad 100644
--- a/files/en-us/mozilla/firefox/releases/22/index.md
+++ b/files/en-us/mozilla/firefox/releases/22/index.md
@@ -6,6 +6,8 @@ page-type: firefox-release-notes
 
 {{FirefoxSidebar}}
 
+Firefox 22 was released on June 25, 2013. This article lists key changes that are useful not only for web developers, but also Firefox and Gecko developers as well as add-on developers.
+
 ## Changes for Web developers
 
 ### HTML
diff --git a/files/en-us/mozilla/firefox/releases/24/index.md b/files/en-us/mozilla/firefox/releases/24/index.md
index e4f4bb0d292485a..38715d026b8cec8 100644
--- a/files/en-us/mozilla/firefox/releases/24/index.md
+++ b/files/en-us/mozilla/firefox/releases/24/index.md
@@ -6,6 +6,8 @@ page-type: firefox-release-notes
 
 {{FirefoxSidebar}}
 
+Firefox 24 was released on September 17, 2013. This article lists key changes that are useful not only for web developers, but also Firefox and Gecko developers as well as add-on developers.
+
 ## Changes for Web developers
 
 ### CSS
diff --git a/files/en-us/mozilla/firefox/releases/31/index.md b/files/en-us/mozilla/firefox/releases/31/index.md
index 6153e6872d9aaa5..48d688a292a71ef 100644
--- a/files/en-us/mozilla/firefox/releases/31/index.md
+++ b/files/en-us/mozilla/firefox/releases/31/index.md
@@ -6,6 +6,8 @@ page-type: firefox-release-notes
 
 {{FirefoxSidebar}}
 
+Firefox 31 was released on July 22, 2014. This article lists key changes that are useful not only for web developers, but also Firefox and Gecko developers as well as add-on developers.
+
 ## Changes for Web developers
 
 ### Developer Tools
diff --git a/files/en-us/mozilla/firefox/releases/32/index.md b/files/en-us/mozilla/firefox/releases/32/index.md
index f806d43383ad4fa..bf6eb07316957e2 100644
--- a/files/en-us/mozilla/firefox/releases/32/index.md
+++ b/files/en-us/mozilla/firefox/releases/32/index.md
@@ -6,6 +6,8 @@ page-type: firefox-release-notes
 
 {{FirefoxSidebar}}
 
+Firefox 32 was released on September 2, 2014. This article lists key changes that are useful not only for web developers, but also Firefox and Gecko developers as well as add-on developers.
+
 ## Changes for Web developers
 
 ### Developer Tools