wording

Vladimir Kotal · Vladimir Kotal · commit c26d75dc1607 · 2018-04-16T15:44:29.000+02:00
diff --git a/doc/release.txt b/doc/release.txt
@@ -2,7 +2,7 @@ Release criteria
 ----------------
 
 Ideally, the following minimum criteria should be fulfilled before a new
-version is released:
+final (i.e. non-prerelease) version is released:
 
   - The code coverage for blocks must be at least 80%
   - No findbugs warnings
