diff --git a/challenges/basic-html5-and-css.json b/challenges/basic-html5-and-css.json
index ccd2fdaa5f..24b1c71939 100644
--- a/challenges/basic-html5-and-css.json
+++ b/challenges/basic-html5-and-css.json
@@ -943,7 +943,8 @@
         "In addition to pixels, you can also specify a <code>border-radius</code> using a percentage."
       ],
       "tests": [
-        "assert(parseInt($('img').css('border-top-left-radius')) > 48, 'Your image should have a border radius of 50 percent&#44; making it perfectly circular.')"
+        "assert(parseInt($('img').css('border-top-left-radius')) > 48, 'Your image should have a border radius of 50 percent&#44; making it perfectly circular.')",
+        "assert(editor.match(/50%/g), 'Be sure to use a percentage instead of a pixel value.')"
       ],
       "challengeSeed": [
         "<link href='http://fonts.googleapis.com/css?family=Lobster' rel='stylesheet' type='text/css'>",
@@ -1613,7 +1614,7 @@
         "For example: <code>&#60;form action=\"/url-where-you-want-to-submit-form-data\"&#62;&#60;/form&#62;</code>."
       ],
       "tests": [
-        "assert($('form').length > 0, 'Wrap your text input element within a <code>form</code> element.')",
+        "assert($('form') && $('form').children('input') && $('form').children('input').length > 0, 'Wrap your text input element within a <code>form</code> element.')",
         "assert($('form').attr('action'), 'Your <code>form</code> element should have an <code>action</code> attribute.')",
         "assert(editor.match(/<\\/form>/g) && editor.match(/<form/g) && editor.match(/<\\/form>/g).length === editor.match(/<form/g).length, 'Make sure your <code>form</code> element has a closing tag.')",
         "assert(editor.match(/\\/submit-cat-photo/ig), 'Make sure your <code>form</code> action is set to <code>/submit-cat-photo</code>.')"
diff --git a/challenges/bootstrap.json b/challenges/bootstrap.json
index 9f2b704153..41a7229731 100644
--- a/challenges/bootstrap.json
+++ b/challenges/bootstrap.json
@@ -1264,7 +1264,7 @@
       "tests": [
         "assert($('button[type=\\'submit\\']').hasClass('btn btn-primary'), 'Give the submit button in your form the classes \"btn btn-primary\".')",
         "assert($('button[type=\\'submit\\']:has(i.fa.fa-paper-plane)').length > 0, 'Add a <code>&#60;i class=\"fa fa-paper-plane\"&#62;&#60;/i&#62;</code> within your submit <code>button</code> element.')",
-        "assert($('input[type=\\'text\\']').hasClass('form-control'), 'Give the text <code>input<code> in your form the class \"form-control\".')",
+        "assert($('input[type=\\'text\\']').hasClass('form-control'), 'Give the text <code>input</code> in your form the class \"form-control\".')",
         "assert(editor.match(/<\\/i>/g) && editor.match(/<\\/i/g).length > 3, 'Make sure each of your <code>i</code> elements has a closing tag.')"
       ],
       "challengeSeed": [
diff --git a/challenges/get-set-for-free-code-camp.json b/challenges/get-set-for-free-code-camp.json
index 3a9d366102..2aaac7aff8 100644
--- a/challenges/get-set-for-free-code-camp.json
+++ b/challenges/get-set-for-free-code-camp.json
@@ -195,7 +195,7 @@
         "Click \"News\" in the upper right hand corner.",
         "You'll see a variety of links that have been submitted. Click on the \"Discuss\" button under one of them.",
         "You can upvote links. This will push the link up the rankings of hot links.",
-        "You an also comment on a link. If someone responds to your comment, you'll get an email notification so you can come back and respond to them.",
+        "You can also comment on a link. If someone responds to your comment, you'll get an email notification so you can come back and respond to them.",
         "You can also submit links. You can modify the link's headline and also leave an initial comment about the link.",
         "You can view the portfolio pages of any camper who has posted links or comments on Camper News. Just click on their photo.",
         "When you submit a link, you'll get a point. You will also get a point each time someone upvotes your link.",