diff --git a/doc/html/ddl.html b/doc/html/ddl.html
index 015f436d27..e6adaec771 100644
--- a/doc/html/ddl.html
+++ b/doc/html/ddl.html
@@ -190,7 +190,11 @@ This section contains a brief explanation of the symbols used in the DDL.
<current_dims> ::= <dims>
-<max_dims> ::= (i1, i2, ... ) where ik is an integer or H5S_UNLIMITED
+<max_dims> ::= `(' <max_dim_list> `)'
+
+<max_dim_list> ::= <max_dim> | <max_dim>, <max_dim_list>
+
+<max_dim> ::= <int_value> | H5S_UNLIMITED
<complex_space_definition> ::= TBD