minor fixes

1-js/02-first-steps/11-logical-operators/9-check-login/solution.md

@@ -10,7 +10,7 @@ if (userName == 'Admin') {
   if (pass == 'TheMaster') {
     alert( 'Welcome!' );
   } else if (pass == '' || pass == null) {
-    alert( 'Canceled.' );
+    alert( 'Canceled' );
   } else {
     alert( 'Wrong password' );
   }

1-js/02-first-steps/11-logical-operators/9-check-login/task.md

@@ -6,13 +6,13 @@ importance: 3
 
 Write the code which asks for a login with `prompt`.
 
-If the visitor enters `"Admin"`, then `prompt` for a password, if the input is an empty line or `key:Esc` -- show "Canceled.", if it's another string -- then show "I don't know you".
+If the visitor enters `"Admin"`, then `prompt` for a password, if the input is an empty line or `key:Esc` -- show "Canceled", if it's another string -- then show "I don't know you".
 
 The password is checked as follows:
 
 - If it equals "TheMaster", then show "Welcome!",
 - Another string -- show "Wrong password",
-- For an empty string or cancelled input, show "Canceled."
+- For an empty string or cancelled input, show "Canceled"
 
 The schema:
 

1-js/02-first-steps/11-logical-operators/article.md

@@ -64,7 +64,7 @@ if (hour < 10 || hour > 18 || isWeekend) {
 }
 ```
 
-## OR finds the first truthy value
+## OR "||" finds the first truthy value
 
 The logic described above is somewhat classical. Now, let's bring in the "extra" features of JavaScript.
 
@@ -186,7 +186,7 @@ if (1 && 0) { // evaluated as true && false
 ```
 
 
-## AND finds the first falsy value
+## AND "&&" finds the first falsy value
 
 Given multiple AND'ed values: