fixed README

README.txt

@@ -17,9 +17,9 @@ Commands descriptions:
 	bg RRRGGGBBB — set background color = RRRGGGBBB;
 	draw — switch visibility of nanodiamond;
 	mark — mark surface atoms;
-	links — switch displaing of links;
+	links — switch displaying of links;
 	zoom N — zoom drawing (from 1 to 10);
-	quality N — detalizations for spheres (from 0 to 5);
+	quality N — spheres refinement (from 0 to 5);
 	arad R — radius of spheres (default = 0.03);
 
 	ada — switch symmetry (adamantan or cubic);
@@ -27,11 +27,16 @@ Commands descriptions:
 	cut X — remove carbons inside R = X;
 	slice — remove half of the ball;
 
-	press — switch surface deformaion;
+	press — switch surface deformation;
 	smooth X — set smoothness of deformation;
-	power X — set atack of deformation;
-	scale X — set deformation intencity.
-
+	power X — set attack of deformation;
+	scale X — set deformation intensity.
+	(more about deformation model:
+		Denisov I.A., Zimin A.A., Bursill L.A., Belobrov P.I.
+		Nanodiamond collective electron states and their localization
+		// Journal of Siberian Federal University. Mathematics & Physics.
+		2014. Vol. 7 (1). P. 35–45.
+		http://elib.sfu-kras.ru/bitstream/2311/10135/4/Denisov.pdf )
 Author: 
 	Ivan Denisov, denisov@molpit.org
 	http://diaball.molpit.com