fix typo in readme and bump version

Author: geo-ant

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fluent-comparisons"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["geo-ant <geos.blog@posteo.de>"]
 edition = "2018"
 homepage = "https://github.com/geo-ant/fluent-comparisons"

README.md

@@ -28,7 +28,7 @@ on the left hand side is provided.
 // the following assertions hold
 assert!(none_of!({1,2,3}>4));
 assert!(any_of!({1,2,3}.map(|x|x%2)==0));
-assert!(all_of({2,5,7}.satisfy(is_prime_number)));
+assert!(all_of!({2,5,7}.satisfy(is_prime_number)));
 ```
 
 ## Brief Description and Key Advantages