Fix rageshake project description in defaults/main.yml

roles/custom/matrix-rageshake/defaults/main.yml

@@ -1,6 +1,7 @@
 ---
-# rageshake is a issue submission service from matrix.org
-# Project source code URL: https://github.com/matrix-org/rageshake/
+
+# rageshake is a bug report collection service
+# Project source code URL: https://github.com/matrix-org/rageshake
 
 matrix_rageshake_enabled: true