diff --git a/docs/components/forms.md b/docs/components/forms.md
index e148c6102d..d9e5b91d9f 100644
--- a/docs/components/forms.md
+++ b/docs/components/forms.md
@@ -535,7 +535,7 @@ Block help text—for below inputs or for longer lines of help text—can be eas
 
 ## Validation
 
-Bootstrap includes validation styles for error, warning, and success states on form controls. To use, add `.has-warning`, `.has-danger`, or `.has-success` to the parent element. Any `.form-control-label`, `.form-control`, and `.text-help` within that element will receive the validation styles.
+Bootstrap includes validation styles for danger, warning, and success states on form controls. To use, add `.has-warning`, `.has-danger`, or `.has-success` to the parent element. Any `.form-control-label`, `.form-control`, and `.text-help` within that element will receive the validation styles.
 
 {% comment %}
 {% callout warning %}
@@ -557,8 +557,8 @@ Ensure that an alternative indication of state is also provided. For instance, y
   <input type="text" class="form-control form-control-warning" id="inputWarning1">
 </div>
 <div class="form-group has-danger">
-  <label class="form-control-label" for="inputError1">Input with danger</label>
-  <input type="text" class="form-control form-control-error" id="inputError1">
+  <label class="form-control-label" for="inputDanger1">Input with danger</label>
+  <input type="text" class="form-control form-control-danger" id="inputDanger1">
 </div>
 
 <div class="checkbox has-success">
@@ -576,14 +576,14 @@ Ensure that an alternative indication of state is also provided. For instance, y
 <div class="has-danger">
   <div class="checkbox">
     <label>
-      <input type="checkbox" id="checkboxError" value="option1">
-      Checkbox with error
+      <input type="checkbox" id="checkboxDanger" value="option1">
+      Checkbox with danger
     </label>
   </div>
 <div class="checkbox has-danger">
   <label>
-    <input type="checkbox" id="checkboxError" value="option1">
-    Checkbox with error
+    <input type="checkbox" id="checkboxDanger" value="option1">
+    Checkbox with danger
   </label>
 </div>
 {% endexample %}