Merge pull request #1766 from bibin765/master

Update article.md

Author: lex111

1-js/02-first-steps/07-operators/article.md

@@ -148,7 +148,7 @@ Here's an extract from the [precedence table](https://developer.mozilla.org/en/J
 | 3 | assignment | `=` |
 | ... | ... | ... |
 
-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.
+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.
 
 ## Assignment