fix bullet points under keep, drop documentation?

src/icepool/population/keep.py

@@ -109,6 +109,7 @@ def lowest(arg0,
         args: Dice or individual outcomes in a single iterable, or as two or
             more separate arguments. Similar to the built-in `min()`.
         keep, drop:
+
             * If neither are provided, the single lowest die will be taken.
             * If only `keep` is provided, the `keep` lowest dice will be summed.
             * If only `drop` is provided, the `drop` lowest dice will be dropped
@@ -163,6 +164,7 @@ def highest(arg0,
         args: Dice or individual outcomes in a single iterable, or as two or
             more separate arguments. Similar to the built-in `max()`.
         keep, drop:
+        
             * If neither are provided, the single highest die will be taken.
             * If only `keep` is provided, the `keep` highest dice will be summed.
             * If only `drop` is provided, the `drop` highest dice will be dropped