diff --git a/src/classes/BlockIcons.php b/src/classes/BlockIcons.php
index fc0b1e3..6239912 100644
--- a/src/classes/BlockIcons.php
+++ b/src/classes/BlockIcons.php
@@ -18,7 +18,7 @@
  */
 class BlockIcons {
 
-	const ICONS_CHECKSUM = 'vgtbt_icons_checksum';
+	private const ICONS_CHECKSUM = 'vgtbt_icons_checksum';
 
 	/**
 	 * If the icon filter is disabled.
diff --git a/src/classes/BlockRegistration.php b/src/classes/BlockRegistration.php
index 2e04fe8..626df78 100644
--- a/src/classes/BlockRegistration.php
+++ b/src/classes/BlockRegistration.php
@@ -18,7 +18,7 @@ class BlockRegistration {
 	/**
 	 * Keep track of all block IDs
 	 */
-	const BLOCK_IDS_TRANSIENT = 'vgtbt_block_ids';
+	private const BLOCK_IDS_TRANSIENT = 'vgtbt_block_ids';
 
 	/**
 	 * Cached array of blocks.
diff --git a/src/classes/BreakpointVisibility.php b/src/classes/BreakpointVisibility.php
index 2b2d04a..095fd5f 100644
--- a/src/classes/BreakpointVisibility.php
+++ b/src/classes/BreakpointVisibility.php
@@ -67,7 +67,7 @@ function ( string $block_content, array $block ): string {
 
 				if ( ! empty( $visibility['useCustom'] ) ) {
 					$custom = $visibility['customBreakpoint'];
-					$css = self::generate_custom_breakpoint_css(
+					$css    = self::generate_custom_breakpoint_css(
 						$block_id,
 						$custom['width'] ?? '768',
 						$custom['unit'] ?? 'px',
diff --git a/viget-blocks-toolkit.php b/viget-blocks-toolkit.php
index b0c51bb..937f4a6 100644
--- a/viget-blocks-toolkit.php
+++ b/viget-blocks-toolkit.php
@@ -14,7 +14,7 @@
  * Text Domain:       viget-blocks-toolkit
  * Domain Path:       /languages
  *
- * @package VigetBlocksToolkit
+ * @package Viget\BlocksToolkit
  */
 
 // Plugin version.