typo

h2/src/docsrc/html/roadmap.html

@@ -321,7 +321,7 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
 </li><li>Doclet (javadocs): constructors are not listed.
 </li><li>Support direct lookup for MIN and MAX when using WHERE (see todo.txt / Direct Lookup).
 </li><li>Support other array types (String[], double[]) in PreparedStatement.setObject(int, Object);
-</li><li>MVCC should not be memory bound (uncommitted data is kept in memory in the delta index; maybe using a regular btree index solves the problem).
+</li><li>MVCC should not be memory bound (uncommitted data is kept in memory in the delta index; maybe using a regular b-tree index solves the problem).
 </li><li>Oracle compatibility: support NLS_DATE_FORMAT.
 </li><li>Support flashback queries as in Oracle.
 </li><li>Import / Export of fixed with text files.