diff --git a/README.md b/README.md
index 7dbf7e0..38e50bb 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Das sind die verwendeten Libraries [1]:
 | https://github.com/mcci-catena/SHT1x.git  | be7042c | Tue, 20 Sep 2011 13:56:23 +1000  |
 
 
-Patch arduino-lmic, so initial SF10 is used initially:
+Patch arduino-lmic, so initial SF12 is used initially:
 
 `
 [joerg@cinnamon src]$ git diff
@@ -44,7 +44,7 @@ index efff7d5..74efb37 100644
  #define LMICbandplan_isFSK()    (/* RX datarate */LMIC.dndr == EU868_DR_FSK)
  
 -#define LMICbandplan_getInitialDrJoin() (EU868_DR_SF7)
-+#define LMICbandplan_getInitialDrJoin() (EU868_DR_SF10)
++#define LMICbandplan_getInitialDrJoin() (EU868_DR_SF12)
  
  void LMICeu868_setBcnRxParams(void);
  #define LMICbandplan_setBcnRxParams()   LMICeu868_setBcnRxParams()