diff --git a/block_class.info b/block_class.info
index 2f71998..92536dd 100644
--- a/block_class.info
+++ b/block_class.info
@@ -2,5 +2,4 @@ name = Block Class
 description = Allows assigning CSS classes to blocks.
 core = 7.x
 
-dependencies[] = block
-
+dependencies[] = block
\ No newline at end of file
diff --git a/block_class.install b/block_class.install
index 43a3987..d21c736 100644
--- a/block_class.install
+++ b/block_class.install
@@ -6,36 +6,34 @@
  */
 
 /**
- * Implementation of hook_install().
+ * Implements of hook_install().
  */
-function block_class_install(){
-  $schema['block']=array();
+function block_class_install() {
+  $schema['block'] = array();
   block_class_schema_alter($schema);
-  foreach($schema['block']['fields'] as $field => $spec) {
+  foreach ($schema['block']['fields'] as $field => $spec) {
     if (db_field_exists('block', $field)) {
-      watchdog('system', t('Module install: Attempt to recreate field: "@field", when it already exists.', array('@field' => $field)), NULL, WATCHDOG_WARNING);
+      watchdog('system', 'Module install: Attempt to recreate field: "%field", when it already exists.', array('%field' => $field), WATCHDOG_WARNING);
     }
-    else{
+    else {
       db_add_field('block', $field, $spec);
     }
   }
 }
 
 /**
- * Implementation of hook_uninstall().
+ * Implements of hook_uninstall().
  */
-function block_class_uninstall(){
-  $schema['block']=array();
+function block_class_uninstall() {
+  $schema['block'] = array();
   block_class_schema_alter($schema);
-  foreach($schema['block']['fields'] as $field => $specs) {
+  foreach ($schema['block']['fields'] as $field => $specs) {
     db_drop_field('block', $field);
   }
 }
 
 /**
- * Implementation of hook_schema_alter().
- * Other modules, such as i18n_block also modify the block schema and
- * database table structure.
+ * Implements of hook_schema_alter(). Other modules, such as i18n_block also modify the block schema and database table structure.
  */
 function block_class_schema_alter(&$schema) {
   if (isset($schema['block'])) {
@@ -117,27 +115,26 @@ function block_class_update_7101() {
 }
 
 /**
- * Migration from previous database structure (block_class table) to new
- * structure based on altering the core block table.
+ * Migration from previous database structure (block_class table) to new structure based on altering the core block table.
  */
 function block_class_update_7103() {
-  if(!db_field_exists('block', 'block_class')) {
-    $schema['block']=array();
+  if (!db_field_exists('block', 'block_class')) {
+    $schema['block'] = array();
     block_class_schema_alter($schema);
-    foreach($schema['block']['fields'] as $field => $specs) {
+    foreach ($schema['block']['fields'] as $field => $specs) {
       db_add_field('block', $field, $specs);
     }
   }
 
-  if(db_table_exists('block_class')) {
+  if (db_table_exists('block_class')) {
     // Migrate all existing records from block_class table to block table.
     $result = db_query('SELECT css_class, module, delta FROM {block_class}');
     while ($record = $result->fetchObject()) {
-        db_update('block')
-          ->fields(array('css_class' => $record->css_class))
-          ->condition('module', $record->module)
-          ->condition('delta', $record->delta)
-          ->execute();
+      db_update('block')
+        ->fields(array('css_class' => $record->css_class))
+        ->condition('module', $record->module)
+        ->condition('delta', $record->delta)
+        ->execute();
     }
     // Remove the block_class table.
     db_drop_table('block_class');
diff --git a/block_class.module b/block_class.module
index 491c3b5..3c3434a 100644
--- a/block_class.module
+++ b/block_class.module
@@ -1,6 +1,6 @@
 <?php
 
- /**
+/**
  * @file
  * Enhanced control over the CSS Classes of any Block.
  *
@@ -23,8 +23,7 @@ function block_class_permission() {
 }
 
 /**
- * Implements theme_preprocess_block().
- * Extend block's classes with any user defined classes.
+ * Implements theme_preprocess_block(). Extend block's classes with any user defined classes.
  */
 function block_class_preprocess_block(&$vars) {
   $block = $vars['block'];
@@ -34,8 +33,7 @@ function block_class_preprocess_block(&$vars) {
 }
 
 /**
- * Implements hook_preprocess_HOOK().
- * Extend panel block's classes with any user defined classes.
+ * Implements hook_preprocess_HOOK(). Extend panel block's classes with any user defined classes.
  */
 function block_class_preprocess_panels_pane(&$vars) {
   if ($vars['pane']->type != 'block') {
@@ -54,8 +52,7 @@ function block_class_preprocess_panels_pane(&$vars) {
 }
 
 /**
- * Implements hook_form_alter().
- * Alter block edit form to add configuration field.
+ * Implements hook_form_alter(). Alter block edit form to add configuration field.
  */
 function block_class_form_alter(&$form, &$form_state, $form_id) {
   if (user_access('administer block classes') && ($form_id == 'block_admin_configure' || $form_id == 'block_add_block_form')) {
@@ -75,18 +72,17 @@ function block_class_form_alter(&$form, &$form_state, $form_id) {
 }
 
 /**
- * Helper function: additional submit callback for block configuration pages.
- * Save supplied CSS classes.
+ * Helper function: additional submit callback for block configuration pages. Save supplied CSS classes.
  */
 function block_class_form_submit($form, &$form_state) {
   if ($form_state['values']['form_id'] == 'block_admin_configure' || $form_state['values']['form_id'] == 'block_add_block_form') {
     // Only save if value has changed.
     if (isset($form_state['values']['css_class']) && $form['settings']['css_class']['#default_value'] != $form_state['values']['css_class'] && user_access('administer blocks')) {
-        db_update('block')
-          ->fields(array('css_class' => $form_state['values']['css_class']))
-          ->condition('module', $form_state['values']['module'])
-          ->condition('delta', $form_state['values']['delta'])
-          ->execute();
+      db_update('block')
+        ->fields(array('css_class' => $form_state['values']['css_class']))
+        ->condition('module', $form_state['values']['module'])
+        ->condition('delta', $form_state['values']['delta'])
+        ->execute();
     }
   }
 }