diff --git a/wp-includes/class-wp-block-type.php b/wp-includes/class-wp-block-type.php
index 47c3e0644b..b0ca475315 100644
--- a/wp-includes/class-wp-block-type.php
+++ b/wp-includes/class-wp-block-type.php
@@ -304,7 +304,7 @@ class WP_Block_Type {
 		}
 
 		$new_name = $name . '_handles';
-		return isset( $this->{$new_name }[0] ) ? $this->{$new_name }[0] : null;
+		return isset( $this->{$new_name}[0] ) ? $this->{$new_name}[0] : null;
 	}
 
 	/**
@@ -324,7 +324,7 @@ class WP_Block_Type {
 		}
 
 		$new_name = $name . '_handles';
-		return isset( $this->{$new_name }[0] );
+		return isset( $this->{$new_name}[0] );
 	}
 
 	/**
@@ -348,7 +348,7 @@ class WP_Block_Type {
 		}
 
 		$new_name = $name . '_handles';
-		$this->{$new_name }[0] = $value;
+		$this->{$new_name}[0] = $value;
 	}
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 703f25a9b7..9c2b913dab 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-54157';
+$wp_version = '6.1-alpha-54158';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.