diff --git a/dawn.json b/dawn.json
index c145e9bb..2e3d4b5 100644
--- a/dawn.json
+++ b/dawn.json
@@ -1015,11 +1015,11 @@
             {
                 "name": "write texture",
                 "args": [
-                    {"name": "destinaton", "type": "texture copy view", "annotation": "const*"},
-                    {"name": "data", "type": "void", "annotation": "const*"},
+                    {"name": "destination", "type": "texture copy view", "annotation": "const*"},
+                    {"name": "data", "type": "void", "annotation": "const*", "length": "data size"},
                     {"name": "data size", "type": "size_t"},
                     {"name": "data layout", "type": "texture data layout", "annotation": "const*"},
-                    {"name": "writeSize", "type": "extent 3D", "annotation": "const*"}
+                    {"name": "write size", "type": "extent 3D", "annotation": "const*"}
                 ]
             }
         ]