Add description and url to pom

Author: leventov

build.gradle

@@ -234,6 +234,8 @@ publishing {
             pom {
                 name = 'SmoothieMap 2'
                 inceptionYear = '2018'
+                description = 'Map implementation with low footprint and no latency spikes'
+                url = 'https://github.com/TimeAndSpaceIO/SmoothieMap'
                 licenses {
                     license {
                         name = 'The Apache Software License, Version 2.0'

src/main/java/io/timeandspace/smoothie/OptimizationObjective.java

@@ -23,7 +23,7 @@
 public enum OptimizationObjective {
     /**
      * In the "low-garbage" mode, {@link SmoothieMap} generates very little garbage (that is, heap
-     * objects that  later become unreachable and need to be swept by the GC), either during the
+     * objects that later become unreachable and need to be swept by the GC), either during the
      * growth phase or the shrinkage phase (when a map reduces in size after the peak growth).
      *
      * @implSpec Configuring {@link SmoothieMapBuilder#optimizeFor