diff --git a/src/main/resources/regexp-basic.properties b/src/main/resources/regexp-basic.properties
index fe065d9..0f0d748 100644
--- a/src/main/resources/regexp-basic.properties
+++ b/src/main/resources/regexp-basic.properties
@@ -5,7 +5,7 @@ task4=[cmf]an
 task5=[^b]og
 task6=[A-Z].*
 task7=.*z{2,5}.*
-task8=.*aa+[bc].*
+task8=[a][abc]+
 task9=\d.*\?
 task10=\d\.\s.*
 task11=^Mission.*