fix readme

Author: source-c

README.adoc

@@ -82,16 +82,18 @@ CAUTION: From version v0.3.2 and upward the library may require Java class versi
 
 [source,clojure]
 ----
-;; Adler32 example
-(adler32 (.getBytes "123456789"))
-=> 152961502
+;; CRC64 example
+(crc64 (.getBytes "123456789"))
+=> -7395533204333446662
 ----
 
+==== Alternatives
+
 [source,clojure]
 ----
-;; CRC64 example
-(crc64 (.getBytes "123456789"))
-=> -7395533204333446662
+;; Adler32 example
+(adler32 (.getBytes "123456789"))
+=> 152961502
 ----
 
 ==== Digests