diff --git a/multivariate.admin.inc b/multivariate.admin.inc
index ca73cd2..c2b2600 100644
--- a/multivariate.admin.inc
+++ b/multivariate.admin.inc
@@ -11,7 +11,7 @@ function multivariate_override_settings_form() {
   $form = array();
 
   $form['help'] = array(
-    '#markup' => t('Manually override current running tests. This can be usefull while you are building your tests and you want to take a look in a web browser at one specific variants combination. Override is done over cookie so it is effective only for a user that did override, also results will not be stored for that user while override is active.'),
+    '#markup' => t('Manually override current running tests. This can be useful while you are building your tests and you want to take a look in a web browser at one specific variants combination. Override is done over cookie so it is effective only for a user that did override, also results will not be stored for that user while override is active.'),
   );
 
   $form['multivariate'] = array('#tree' => TRUE);
@@ -453,7 +453,7 @@ function multivariate_conditions_fieldset($test, &$form, $form_state) {
   $run_condition_fieldset = array(
     '#type' => 'fieldset',
     '#title' => t('Run conditions'),
-    '#description' => t('Run conditions for this study.'),
+    '#description' => t('Run conditions for this test.'),
     '#collapsible' => TRUE,
     '#group' => 'settings',
     '#weight' => 0,
@@ -510,8 +510,8 @@ function multivariate_variants_sets_fieldset($test, &$form, $form_state) {
 
   $sets_fieldset = array(
     '#type' => 'fieldset',
-    '#title' => t('Variants Sets'),
-    '#description' => t('Please note that if you add/remove mutations, variants or sets any test recorded data that are already saved <b>will be lost</b>.'),
+    '#title' => t('Sets and variants'),
+    '#description' => t('Please note that any test recorded data that are already saved <strong>will be lost</strong> if you add or remove: mutations, variants, or sets.'),
     '#collapsible' => TRUE,
     '#group' => 'settings',
     '#weight' => 1,
@@ -553,7 +553,7 @@ function multivariate_variants_sets_fieldset($test, &$form, $form_state) {
       '#prefix' => '<div class="variants-number-control-show">',
       '#suffix' => '</div>',
       '#markup' => t(
-        'Number of variants !num, !change.',
+        'Number of variants: !num, !change.',
         array(
           '!num' => $variants_num,
           '!change' => '<a href="#" class="variant-change">' . t('change') . '</a>',
@@ -573,7 +573,7 @@ function multivariate_variants_sets_fieldset($test, &$form, $form_state) {
     $set_element['variants_number_control_wrapper']['change_variants_number'] = array(
       '#type' => 'submit',
       '#name' => 'set-' . $set_id . '-change-variant',
-      '#value' => t('Change variants number'),
+      '#value' => t('Change number of variants'),
       '#set_id' => $set_id,
       '#ajax' => array(
         'callback' => 'multivariate_change_variants_number_ajax',
@@ -648,7 +648,7 @@ function multivariate_variants_sets_fieldset($test, &$form, $form_state) {
     }
 
     // Add new mutation control.
-    $options = array(t('select mutation plugin'));
+    $options = array(t('Select mutation plugin'));
     foreach ($plugins_info as $key => $value) {
       $options[$key] = $value['label'];
     }
@@ -774,7 +774,7 @@ function multivariate_success_conditions_fieldset($test, &$form, $form_state) {
   }
 
   // Control for adding new success condition.
-  $options[] = t('select new condition');
+  $options[] = t('Select new condition');
   foreach ($plugins_info as $key => $value) {
     $options[$key] = $value['label'];
   }