Aligned checkbox to the left

app/src/main/res/layout/book_edit.xml

@@ -143,7 +143,10 @@
                 android:id="@+id/readCheckbox"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_margin="16dp"
+                android:layout_marginBottom="16dp"
+                android:layout_marginEnd="9dp"
+                android:layout_marginStart="9dp"
+                android:layout_marginTop="16dp"
                 android:paddingEnd="8dp"
                 android:paddingStart="8dp"
                 android:text="@string/book_read_checkbox"