diff --git a/education/unmanned aerial system/final.md b/education/unmanned aerial system/final.md
index 9dc2a36..b570360 100644
--- a/education/unmanned aerial system/final.md	
+++ b/education/unmanned aerial system/final.md	
@@ -6,4 +6,4 @@ An sUAS accident must be reported to the FAA within 10 days.
 
 Lightning is considered the most hazardous condition when flying in the vicinity of thunderstorms.
 
-The presence of ice pellets at the surface is evidence of a temperature inversion
\ No newline at end of file
+The presence of ice pellets at the surface is evidence of a temperature inversion, with freezing rain at a higher altitude.
\ No newline at end of file