diff --git a/dicebot/src/basic/parser.rs b/dicebot/src/basic/parser.rs
index 9c5b83f..80f7f04 100644
--- a/dicebot/src/basic/parser.rs
+++ b/dicebot/src/basic/parser.rs
@@ -84,12 +84,12 @@ fn parse_keep_or_drop<'a>(input: &'a str, count: u32) -> IResult<&'a str, KeepOr
 
     use ParsedKeepOrDrop::*;
     let keep_drop: KeepOrDrop = match (keep, drop) {
-        //Valid Keep expression.
+        //Potential valid Keep expression.
         (Keep(keep), NotPresent) => match keep.parse().map_err(|_| too_big!(input))? {
             _i if _i > count || _i == 0 => Ok(KeepOrDrop::None),
             i => Ok(KeepOrDrop::Keep(i)),
         },
-        //Valid Drop expression.
+        //Potential valid Drop expression.
         (NotPresent, Drop(drop)) => match drop.parse().map_err(|_| too_big!(input))? {
             _i if _i >= count => Ok(KeepOrDrop::None),
             i => Ok(KeepOrDrop::Drop(i)),