Fixed javadocs [skip ci]

Author: ankane

src/main/java/com/pgvector/PGsparsevec.java

@@ -97,7 +97,8 @@ public <T extends Number> PGsparsevec(List<T> v) {
     /**
      * Constructor
      *
-     * @param map <Integer, T> map of non-zero elements
+     * @param <T> number
+     * @param map map of non-zero elements
      * @param dimensions number of dimensions
      */
     public <T extends Number> PGsparsevec(Map<Integer, T> map, int dimensions) {