clarify comment for cmake option

components/eamxx/CMakeLists.txt

@@ -198,7 +198,7 @@ set(NetCDF_C_PATH ${DEFAULT_NetCDF_C_PATH} CACHE FILEPATH "Path to netcdf C inst
 set(SCREAM_MACHINE ${DEFAULT_SCREAM_MACHINE} CACHE STRING "The CIME/SCREAM name for the current machine")
 option(SCREAM_MPI_ON_DEVICE "Whether to use device pointers for MPI calls" ON)
 option(SCREAM_ENABLE_MAM "Whether to enable MAM aerosol support" ON)
-set(SCREAM_SMALL_KERNELS ${DEFAULT_SMALL_KERNELS} CACHE STRING "Use small, non-monolothic kokkos kernels for all components")
+set(SCREAM_SMALL_KERNELS ${DEFAULT_SMALL_KERNELS} CACHE STRING "Use small, non-monolothic kokkos kernels for ALL components that support them")
 set(SCREAM_P3_SMALL_KERNELS ${SCREAM_SMALL_KERNELS} CACHE STRING "Use small, non-monolothic kokkos kernels for P3 only")
 set(SCREAM_SHOC_SMALL_KERNELS ${SCREAM_SMALL_KERNELS} CACHE STRING "Use small, non-monolothic kokkos kernels for SHOC only")
 if (NOT SCREAM_P3_SMALL_KERNELS AND NOT SCREAM_SHOC_SMALL_KERNELS)