Just remove a strange symbol

Author: oshliaer

9-regular-expressions/03-regexp-character-classes/article.md

@@ -113,7 +113,7 @@ alert( "Hello, Java!".match(/\bHell\b/) );  // null (no match)
 alert( "Hello, Java!".match(/\bJava!\b/) ); // null (no match)
 ```
 
-Once again let's note that `pattern:\b` makes the searching engine to test for the boundary, so that `pattern:Java\b` finds `match:Java` only when followed by a word boundary, but it does not add a letter to the result.   §
+Once again let's note that `pattern:\b` makes the searching engine to test for the boundary, so that `pattern:Java\b` finds `match:Java` only when followed by a word boundary, but it does not add a letter to the result.
 
 Usually we use `\b` to find standalone English words. So that if we want `"Java"` language then `pattern:\bJava\b` finds exactly a standalone word and ignores it when it's a part of `"JavaScript"`.