Document cell padding not supporting spaces between values in BBCode in RichTextLabel

Author: Calinou

tutorials/ui/bbcode_in_richtextlabel.rst

@@ -879,11 +879,11 @@ Cell options
 
 - **padding**
 
-  +-----------+--------------------------------------------+
-  | `Values`  | 4 comma-separated floating-point numbers   |
-  +-----------+--------------------------------------------+
-  | `Default` | 0, 0, 0, 0                                 |
-  +-----------+--------------------------------------------+
+  +-----------+--------------------------------------------------------------------------+
+  | `Values`  | 4 comma-separated floating-point numbers (**no space** after each comma) |
+  +-----------+--------------------------------------------------------------------------+
+  | `Default` | ``0,0,0,0``                                                              |
+  +-----------+--------------------------------------------------------------------------+
 
   Left, top, right, and bottom cell padding.