docs: html5.h.rst: id[128] changed to id[64] (#18966)

Author: Daksh2356

site/source/docs/api_reference/html5.h.rst

@@ -1662,13 +1662,13 @@ Struct
 
     An ID for the brand or style of the connected gamepad device. Typically, this will include the USB vendor and a product ID.
 
-    Maximum size 64 ``char`` (i.e. ``EM_UTF8 id[128]``).
+    Maximum size 64 ``char`` (i.e. ``EM_UTF8 id[64]``).
 
   .. c:member:: EM_UTF8 mapping
 
     A string that identifies the layout or control mapping of this device.
 
-    Maximum size 128 ``char`` (i.e. ``EM_UTF8 mapping[128]``).
+    Maximum size 64 ``char`` (i.e. ``EM_UTF8 mapping[64]``).