diff --git a/dist/jquery.gridster.js b/dist/jquery.gridster.js
index da24bfb1c..3f9cbf93f 100644
--- a/dist/jquery.gridster.js
+++ b/dist/jquery.gridster.js
@@ -760,7 +760,7 @@
     *    @param {Number} [options.extra_rows] Add more rows in addition to
     *     those that have been calculated.
     *    @param {Number} [options.min_cols] The minimum required columns.
-    *    @param {Number} [options.max_cols] The maximum columns possible (set to -1
+    *    @param {Number} [options.max_cols] The maximum columns possible (set to null
     *     for no maximum).
     *    @param {Number} [options.min_rows] The minimum required rows.
     *    @param {Number} [options.max_size_x] The maximum number of columns
diff --git a/dist/jquery.gridster.with-extras.js b/dist/jquery.gridster.with-extras.js
index dd0259cbc..dcc1a00d9 100644
--- a/dist/jquery.gridster.with-extras.js
+++ b/dist/jquery.gridster.with-extras.js
@@ -760,7 +760,7 @@
     *    @param {Number} [options.extra_rows] Add more rows in addition to
     *     those that have been calculated.
     *    @param {Number} [options.min_cols] The minimum required columns.
-    *    @param {Number} [options.max_cols] The maximum columns possible (set to -1
+    *    @param {Number} [options.max_cols] The maximum columns possible (set to null
     *     for no maximum).
     *    @param {Number} [options.min_rows] The minimum required rows.
     *    @param {Number} [options.max_size_x] The maximum number of columns
diff --git a/src/jquery.gridster.js b/src/jquery.gridster.js
index 3687d37d4..c174164ff 100644
--- a/src/jquery.gridster.js
+++ b/src/jquery.gridster.js
@@ -55,7 +55,7 @@
     *    @param {Number} [options.extra_rows] Add more rows in addition to
     *     those that have been calculated.
     *    @param {Number} [options.min_cols] The minimum required columns.
-    *    @param {Number} [options.max_cols] The maximum columns possible (set to -1
+    *    @param {Number} [options.max_cols] The maximum columns possible (set to null
     *     for no maximum).
     *    @param {Number} [options.min_rows] The minimum required rows.
     *    @param {Number} [options.max_size_x] The maximum number of columns