diff --git a/docs/v3/core/v3.0.rst b/docs/v3/core/v3.0.rst
index 5264940..98a1784 100644
--- a/docs/v3/core/v3.0.rst
+++ b/docs/v3/core/v3.0.rst
@@ -721,9 +721,9 @@ compressed using gzip compression prior to storage::
             }
         },
         "codecs": [{
-            "name": "gzip",
+            "name": "bytes",
             "configuration": {
-                "level": 1
+                "endian": "big"
             }
         }],
         "fill_value": "NaN",
@@ -760,9 +760,9 @@ above, but using a (currently made up) extension data type::
             }
         },
         "codecs": [{
-            "name": "gzip",
+            "nam": "bytes",
             "configuration": {
-                "level": 1
+                "endian": "big"
             }
         }],
         "fill_value": null,