more cleanups

Author: mtf90

algorithms/active/sparse/src/main/java/de/learnlib/algorithm/sparse/Leaf.java

@@ -73,7 +73,7 @@ void update(List<CoreRow<S, I, O>> cRows, int numSufs) {
         }
 
         /*
-         * since suffixes and core rows grow monotonically, the separator only needs to be recomputed whenever new
+         * Since suffixes and core rows grow monotonically, the separator only needs to be recomputed whenever new
          * compatible core prefixes emerge or when the suffix set grows.
          */