Merge pull request #2839 from ruslauz/fix/operator-precedence

fixes operator precedence

Author: iliakan

1-js/02-first-steps/08-operators/article.md

@@ -194,18 +194,18 @@ Here's an extract from the [precedence table](https://developer.mozilla.org/en-U
 | Precedence | Name | Sign |
 |------------|------|------|
 | ... | ... | ... |
-| 17 | unary plus | `+` |
-| 17 | unary negation | `-` |
-| 16 | exponentiation | `**` |
-| 15 | multiplication | `*` |
-| 15 | division | `/` |
+| 16 | unary plus | `+` |
+| 16 | unary negation | `-` |
+| 15 | exponentiation | `**` |
+| 14 | multiplication | `*` |
+| 14 | division | `/` |
 | 13 | addition | `+` |
 | 13 | subtraction | `-` |
 | ... | ... | ... |
 | 3 | assignment | `=` |
 | ... | ... | ... |
 
-As we can see, the "unary plus" has a priority of `17` which is higher than the `13` of "addition" (binary plus). That's why, in the expression `+apples + +oranges`, unary pluses work before the addition.
+As we can see, the "unary plus" has a priority of `16` which is higher than the `13` of "addition" (binary plus). That's why, in the expression `"+apples + +oranges"`, unary pluses work before the addition.
 
 ## Assignment