Update README.md

Author: rpuig2001

README.md

@@ -148,8 +148,7 @@ CDM includes the following times:
 
 ### taxizones.txt
   - You can define a zone with an specific taxiTime with the following specifications ``AIRPORT:RUNWAY:BOTTOM_LEFT_LAT:BOTTOM_LEFT_LON:TOP_LEFT_LAT:TOP_LEFT_LON:TOP_RIGHT_LAT:TOP_RIGHT_LON:BOTTOM_RIGHT_LAT:BOTTOM_RIGHT_LON:TAXITIME:REM1_TAXI:REM2_TAXI:REM3_TAXI:REM4_TAXI:REM5_TAXI`` ex:``LEBL:25L:41.286876:2.067318:41.290236:2.065955:41.295688:2.082523:41.292662:2.084613:10:7,4,2,0,0`` if no taxizone defined, the default taxi time is set to 15 min.
-
-  REMx_TAXI defines the extra time required from the stand to the X De-ice position.
+  - REMx_TAXI defines the taxi time from stand to runway passing over de-ice X pad (TAXITIME is not used for De-Ice pads when REMx_TAXI is defined).
 
 ### rate.txt