diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 45e82217713da1bc9d35f49df8cc1d4217e08f2c..52afbfb7898e9d1d6bf96fbca21b219ea47295ae 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,4 @@
 
-GridStack 3.0.x-dev, 2023-09-18
--------------------------------
+GridStack 3.x-dev, 2023-09-18
+-----------------------------
 - Initial 3.x.
diff --git a/docs/README.md b/docs/README.md
index e3dce5f4546790d18b38f15bde8887f3ff0bbb45..2f8f4172bb6134f19ba859ee0c6b457d6f0c5036 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -26,7 +26,7 @@ plugin.
 ***
 ## <a name="first"> </a>FIRST THINGS FIRST!
 Read more at:
-* [Github](https://git.drupalcode.org/project/blazy/-/blob/8.x-2.x/docs/README.md#first-things-first)
+* [Github](https://git.drupalcode.org/project/blazy/-/blob/3.0.x/docs/README.md#first-things-first)
 * [Blazy UI](/admin/help/blazy_ui#first)
 
 ***
diff --git a/gridstack.install b/gridstack.install
index 2bad0c645ce1c9ec9dfdff095e35a207c079dfb3..831661f8b3b529d29a1cf9a6fe77e12e79925dc9 100644
--- a/gridstack.install
+++ b/gridstack.install
@@ -19,7 +19,7 @@ function gridstack_requirements($phase) {
   $path = gridstack()->getLibrariesPath('gridstack')
     ?: \Drupal::root() . '/libraries/gridstack';
 
-  if (is_dir($path)) {
+  if ($path && is_dir($path)) {
     $exists = is_file($path . '/dist/gridstack-static.js') && is_file($path . '/dist/gridstack-h5.js');
   }