lib: drop comment about only indexing one file.

Although the situation is complicated by the value fields (which are
taken from a single file), this comment is now more false than true.

diff --git a/lib/database.cc b/lib/database.cc
index 9cf8062cbe7caa2c5f7ecd714ca934c7f96b1e76..fc42c4ba93c3af197de52653792c63ffc31a07c5 100644 (file)
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -66,11 +66,10 @@ typedef struct {
  * Mail document
  * -------------
  * A mail document is associated with a particular email message. It
- * is stored in one or more files on disk (though only one has its
- * content indexed) and is uniquely identified  by its "id" field
- * (which is generally the message ID). It is indexed with the
- * following prefixed terms which the database uses to construct
- * threads, etc.:
+ * is stored in one or more files on disk and is uniquely identified
+ * by its "id" field (which is generally the message ID). It is
+ * indexed with the following prefixed terms which the database uses
+ * to construct threads, etc.:
  *
  *    Single terms of given prefix:
  *