update notes on GOTM5.2

cmake/SCHISM.local.build

@@ -28,6 +28,7 @@ set (USE_NWM_BMI OFF CACHE BOOLEAN "Use NWM BMI for source and some b.c.")
 set (PREC_EVAP OFF CACHE BOOLEAN "Include precipitation and evaporation calculation")
 set (USE_BULK_FAIRALL OFF CACHE BOOLEAN "Enable Fairall bulk scheme for air-sea exchange")
 ## GOTM5.2 is installed by default, and has been tested successfully, defined GOTM_BASE to use a non-standard GOTM source 
+## Note that source code of GOTM5.2 is from GOTM web so make sure to use recursive clone (to get the submodule)
 ##set( GOTM_BASE /work2/03473/seatonc/frontera/GOTM5.2/code CACHE STRING "Path to non-standard GOTM base directory")
 set (USE_GOTM OFF CACHE BOOLEAN "Use GOTM turbulence model. This just enables the build -- GOTM must still be selected in param.nml")
 set (USE_HA OFF CACHE BOOLEAN "Enable harmonic analysis output modules")