Update number of bugs in the dataset

Former-commit-id: 5bb22f8fc9

README.md

@@ -2,7 +2,7 @@
 
 Bugs on Bugzilla aren't always bugs. Sometimes they are feature requests, refactorings, and so on. The aim of this project is to distinguish between bugs that are actually bugs and bugs that aren't.
 
-The dataset currently contains 1913 bugs, the accuracy of the current classifier is ~92% (precision ~97%, recall ~93%).
+The dataset currently contains 2110 bugs, the accuracy of the current classifier is ~92% (precision ~97%, recall ~93%).
 
 ## Setup