diff --git a/js/menus/MaterialMenuView.js b/js/menus/MaterialMenuView.js
index 67326973cd1c96bc576bb004859764d9f53ddeaf..03a1748c304e5fe2c772b37cd4556557520a85a5 100644
--- a/js/menus/MaterialMenuView.js
+++ b/js/menus/MaterialMenuView.js
@@ -22,7 +22,7 @@ MaterialMenuView = Backbone.View.extend({
     template: _.template('\
         create materials and assign them to parts in the model\
         <br/><br/>\
-        stiffness, elasticity\
+        stiffness, elastic modulus\
         ')
 
 });
\ No newline at end of file
diff --git a/js/menus/OptimizationMenuView.js b/js/menus/OptimizationMenuView.js
index de4100d16be4dbf54fd052deaa177ea0fe2de757..7bd368fff8b2c21db25eed4b9a6ba885cab83fe3 100644
--- a/js/menus/OptimizationMenuView.js
+++ b/js/menus/OptimizationMenuView.js
@@ -22,6 +22,12 @@ OptimizationMenuView = Backbone.View.extend({
     template: _.template('\
         input stiffness requirements of structure\
         <br/><br/>\
+        data representation for structural optimization: <a href="http://www.demo.cs.brandeis.edu/papers/edc98.pdf">lego tree</a>, <a href="http://creativemachines.cornell.edu/sites/default/files/Cheney_MacCurdy_Clune_Lipson--Unshackling_Evolution.pdf">CPPN-NEAT (functional)</a>, octree, some other kind of tree, grammar?\
+        <br/><br/>\
+        optimization parameters representation may depend on application: <a href="http://2.bp.blogspot.com/-4o29mAWZjag/UURyXoraMKI/AAAAAAAAHyM/HnevUeJ68Sw/s400/yyy.bmp">nike</a>, airbus, assembler/declarative design\
+        <br/><br/>\
+        active components/structures: <a href="https://www.youtube.com/watch?v=z9ptOeByLA4">voxcad</a>, <a href="http://arxiv.org/pdf/cs/0004003v2.pdf">conway</a>\
+        <br/><br/>\
         ')
 
 });
\ No newline at end of file
diff --git a/js/menus/PhysicsMenuView.js b/js/menus/PhysicsMenuView.js
index d02ce409509c198893c328f5c40126263e70ec14..9becd2a4f72c09fa539df6880ea2d806778fe56d 100644
--- a/js/menus/PhysicsMenuView.js
+++ b/js/menus/PhysicsMenuView.js
@@ -22,9 +22,9 @@ PhysicsMenuView = Backbone.View.extend({
     template: _.template('\
         world physics: gravity, global forces\
         <br/><br/>\
-        part coneection stiffness\
+        part connection stiffness\
         <br/><br/>\
-        ground/fixed/boundary conditions selection\
+        ground/fixed/boundary conditions definition\
         ')
 
 });
\ No newline at end of file