diff --git a/features-json/form-validation.json b/features-json/form-validation.json
index 56cbe7ee9c..d95fcadd61 100644
--- a/features-json/form-validation.json
+++ b/features-json/form-validation.json
@@ -427,7 +427,8 @@
       "96":"y"
     },
     "and_ff":{
-      "95":"y"
+      "69":"y",
+      "79-95":"a #4"
     },
     "ie_mob":{
       "10":"a #2",
@@ -464,7 +465,8 @@
   "notes_by_num":{
     "1":"Partial support refers to lack of notice when form with required fields is attempted to be submitted.",
     "2":"Partial support in IE10 mobile refers to lack of warning when blocking submission.",
-    "3":"Partial support in Opera Mini refers to only supporting the CSS pseudo classes."
+    "3":"Partial support in Opera Mini refers to only supporting the CSS pseudo classes.",
+    "4":"Partial support in Firefox for Android due to error messages not being shown on submit. See this [bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1510450)." 
   },
   "usage_perc_y":96.22,
   "usage_perc_a":1.6,