diff --git a/lam/docs/devel/index.htm b/lam/docs/devel/index.htm
index 4e27e157..1e594701 100644
--- a/lam/docs/devel/index.htm
+++ b/lam/docs/devel/index.htm
@@ -26,7 +26,8 @@ the library files.
Configuration
Account
-lists
+lists
+ Tree view
Account pages
Tools
@@ -45,7 +46,7 @@ lists
@@ -74,7 +77,7 @@ lists
Base module
Account modules
- PDF templates
+ PDF templates
Account profiles
Configuration profiles
diff --git a/lam/docs/devel/other_libs.htm b/lam/docs/devel/other_libs.htm
index 8956a9fb..6b810542 100644
--- a/lam/docs/devel/other_libs.htm
+++ b/lam/docs/devel/other_libs.htm
@@ -27,7 +27,22 @@ There is also one list of LDAP attribute descriptions per account type.
They allow to have translated descriptions of the most common
attributes.
-Status messages (status.inc)
-
+Status messages (status.inc)
+
+
+Tree view and schema browser
+The files tree.inc and schema.inc contain functions which are needed by
+the tree view and the schema browser.
+These functions were copied from phpLDAPadmin
+(PLA).
+
+
+ - tree.inc: tree functions
+(from functions.php and some other files in PLA)
+ - schema.inc: for schema
+browser (from schema_functions.php in PLA)
+
+