diff --git a/2nd/Questions_flashs/P1/QF_S37-1.pdf b/2nd/Questions_flashs/P1/QF_S37-1.pdf
index 2a4766d..357c971 100644
Binary files a/2nd/Questions_flashs/P1/QF_S37-1.pdf and b/2nd/Questions_flashs/P1/QF_S37-1.pdf differ