diff --git a/css/types/attr.json b/css/types/attr.json
index c91013cc05e74a..5b5a457adb3484 100644
--- a/css/types/attr.json
+++ b/css/types/attr.json
@@ -64,7 +64,8 @@
                 "version_added": false
               },
               "firefox": {
-                "version_added": false
+                "version_added": false,
+                "notes": "See <a href='https://bugzil.la/1448248'>bug 1448248</a>."
               },
               "firefox_android": {
                 "version_added": false
@@ -79,7 +80,8 @@
                 "version_added": false
               },
               "safari": {
-                "version_added": false
+                "version_added": false,
+                "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
               },
               "safari_ios": {
                 "version_added": false
@@ -112,7 +114,8 @@
                 "version_added": false
               },
               "firefox": {
-                "version_added": false
+                "version_added": false,
+                "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
               },
               "firefox_android": {
                 "version_added": false
@@ -127,7 +130,8 @@
                 "version_added": false
               },
               "safari": {
-                "version_added": false
+                "version_added": false,
+                "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
               },
               "safari_ios": {
                 "version_added": false
@@ -159,7 +163,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -174,7 +179,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -207,7 +213,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/1448251'>bug 1448251</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -222,7 +229,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -255,7 +263,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -270,7 +279,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -303,7 +313,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -318,7 +329,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -351,7 +363,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -366,7 +379,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -399,7 +413,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -414,7 +429,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -447,7 +463,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -462,7 +479,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -495,7 +513,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/435426'>bug 435426</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -510,7 +529,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
@@ -543,7 +563,8 @@
                   "version_added": false
                 },
                 "firefox": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://bugzil.la/1448252'>bug 1448252</a>."
                 },
                 "firefox_android": {
                   "version_added": false
@@ -558,7 +579,8 @@
                   "version_added": false
                 },
                 "safari": {
-                  "version_added": false
+                  "version_added": false,
+                  "notes": "See <a href='https://webkit.org/b/204275'>bug 204275</a>."
                 },
                 "safari_ios": {
                   "version_added": false
diff --git a/css/types/frequency-percentage.json b/css/types/frequency-percentage.json
index fd8dcf14d974ed..dd4d9cabe20e96 100644
--- a/css/types/frequency-percentage.json
+++ b/css/types/frequency-percentage.json
@@ -17,7 +17,8 @@
               "version_added": false
             },
             "firefox": {
-              "version_added": false
+              "version_added": false,
+              "notes": "See <a href='https://bugzil.la/741643'>bug 741643</a>."
             },
             "firefox_android": {
               "version_added": false
diff --git a/css/types/frequency.json b/css/types/frequency.json
index da135bfee5bea7..f69be3967cca61 100644
--- a/css/types/frequency.json
+++ b/css/types/frequency.json
@@ -17,7 +17,8 @@
               "version_added": false
             },
             "firefox": {
-              "version_added": false
+              "version_added": false,
+              "notes": "See <a href='https://bugzil.la/741643'>bug 741643</a>."
             },
             "firefox_android": {
               "version_added": false
diff --git a/css/types/image.json b/css/types/image.json
index 4b44be5c93a478..7694e18483a3e5 100644
--- a/css/types/image.json
+++ b/css/types/image.json
@@ -2083,7 +2083,10 @@
               },
               "firefox": {
                 "version_added": false,
-                "notes": "The <a href='https://developer.mozilla.org/docs/Web/CSS/-moz-image-rect'><code>-moz-image-rect()</code></a> function supports fragments as of Firefox 4."
+                "notes": [
+                  "See <a href='https://bugzil.la/703217'>bug 703217</a>.",
+                  "The <a href='https://developer.mozilla.org/docs/Web/CSS/-moz-image-rect'><code>-moz-image-rect()</code></a> function supports fragments as of Firefox 4."
+                ]
               },
               "firefox_android": {
                 "version_added": false,