diff --git a/Interview Question/5. RF Basic Skills.md b/Interview Question/5. RF Basic Skills.md
index 316a873..04cba41 100644
--- a/Interview Question/5. RF Basic Skills.md	
+++ b/Interview Question/5. RF Basic Skills.md	
@@ -46,17 +46,18 @@ https://supereyes.ru/articles/oscillograph/tsifrovaya-obrabotka-teorema-kotelnik
 		2. Фазовый шум
 		3. I/Q дисбаланс
 		4. Квантование
-	2. **QAM** - Quadrature Amplitude Modulation
-	3. **FDD** - Frequency Division Duplex
-	4. **DL** - Downlink 
-	5. **UL** - Uplink
-	6. **CC** - component carrier
-	7. **LTE** - Long-Term Evolution
-	8. **IPERF** - консольная клиент-серверная программа генератор TCP и UDP трафика для тестирования пропускной способности сети
-	9. **BER** - Bit Error Rate
-	10. **RSSI** - Received Signal Strength Indicator
-	11. **RSRP** - Reference Signal Received Power
-	12. **SINR** -Signal to Interference + Noise Ratio
+	2. 
+	3. **QAM** - Quadrature Amplitude Modulation
+	4. **FDD** - Frequency Division Duplex
+	5. **DL** - Downlink 
+	6. **UL** - Uplink
+	7. **CC** - component carrier
+	8. **LTE** - Long-Term Evolution
+	9. **IPERF** - консольная клиент-серверная программа генератор TCP и UDP трафика для тестирования пропускной способности сети
+	10. **BER** - Bit Error Rate
+	11. **RSSI** - Received Signal Strength Indicator
+	12. **RSRP** - Reference Signal Received Power
+	13. **SINR** -Signal to Interference + Noise Ratio