diff --git a/cypress/integration/console.spec.js b/cypress/integration/console.spec.js
index c74298f..88166a0 100644
--- a/cypress/integration/console.spec.js
+++ b/cypress/integration/console.spec.js
@@ -1,6 +1,7 @@
 describe('draw a vector', () => {
     it('adds the svg vector', () => {
         cy.visit('http://localhost:8080');
+        cy.get('#command_input').type("{enter}");
 
         cy.get('#command_input').type("a = vector(0,0,0.5,0.5){enter}");
         cy.get('#0').invoke('attr','d').should('eq','M550 350 L600 300');
@@ -18,8 +19,9 @@ describe('draw a vector', () => {
 describe('draw a lazy vector', () => {
     it('adds the svg vector', () => {
         cy.visit('http://localhost:8080');
+        cy.get('#command_input').type("{enter}");
 
-        cy.get('#command_input').type("a = vector(0,0,0.5,0.5){enter}");
+        cy.get('#command_input').type("a = [0.5,0.5]{enter}");
         cy.get('#0').invoke('attr','d').should('eq','M550 350 L600 300');
         cy.get('#0').invoke('attr','class').should('eq','vector');
         cy.get('#0').invoke('attr','marker-end').should('eq','url(#arrow)');
diff --git a/src/js/functions.js b/src/js/functions.js
index b1b4285..3870467 100644
--- a/src/js/functions.js
+++ b/src/js/functions.js
@@ -70,10 +70,10 @@ const help = function () {
                a = [0.5, 0.5]
                b = [-1,1]
                c = "a+b"
-               a=a*2    
+               a = a*2    
              => when a is updated, c is too. 
-             Now try dragging a using the mouse pointer and see what happens.        
-               `
+             Now try dragging a vector using the mouse pointer and see what happens.
+             (NB dragging c won't work, because it is lazy)`
 
     }
 }