Fix dead link in OrderImports

Fixes openrewrite/rewrite-docs#309

rewrite-java/src/main/java/org/openrewrite/java/OrderImports.java

@@ -60,7 +60,7 @@ public String getDisplayName() {
 
     @Override
     public String getDescription() {
-        return "Groups and orders import statements. If a [style has been defined](https://docs.openrewrite.org/concepts-explanations/styles), this recipe will order the imports " +
+        return "Groups and orders import statements. If a [style has been defined](https://docs.openrewrite.org/concepts-and-explanations/styles), this recipe will order the imports " +
                 "according to that style. If no style is detected, this recipe will default to ordering imports in " +
                 "the same way that IntelliJ IDEA does.";
     }