README.md in argon2-2.1.2

- old
+ new

@@ -42,13 +42,15 @@
 Please report bugs as issues on this repository.
 
 ## Usage
 
 `make` builds the executable `argon2`, the static library `libargon2.a`,
-and the shared library `libargon2.so` (or `libargon2.dylib` on OSX).
-Make sure to run `make test` to verify that your build produces valid
-results. `make install PREFIX=/usr` installs it to your system.
+and the shared library `libargon2.so` (or on macOS, the dynamic library
+`libargon2.dylib` -- make sure to specify the installation prefix when
+you compile: `make PREFIX=/usr`). Make sure to run `make test` to verify
+that your build produces valid results. `sudo make install PREFIX=/usr`
+installs it to your system.
 
 ### Command-line utility
 
 `argon2` is a command-line utility to test specific Argon2 instances
 on your system. To show usage instructions, run
@@ -146,11 +148,11 @@
     memset( salt, 0x00, SALTLEN );
 
     uint8_t *pwd = (uint8_t *)strdup(PWD);
     uint32_t pwdlen = strlen((char *)pwd);
 
-    uint32_t t_cost = 2;            // 1-pass computation
+    uint32_t t_cost = 2;            // 2-pass computation
     uint32_t m_cost = (1<<16);      // 64 mebibytes memory usage
     uint32_t parallelism = 1;       // number of threads and lanes
 
     // high-level API
     argon2i_hash_raw(t_cost, m_cost, parallelism, pwd, pwdlen, salt, SALTLEN, hash1, HASHLEN);
@@ -242,10 +244,11 @@
 
 Bindings are available for the following languages (make sure to read
 their documentation):
 
 * [Android (Java/Kotlin)](https://github.com/lambdapioneer/argon2kt) by [@lambdapioneer](https://github.com/lambdapioneer)
+* [Dart](https://github.com/tmthecoder/dargon2) by [@tmthecoder](https://github.com/tmthecoder)
 * [Elixir](https://github.com/riverrun/argon2_elixir) by [@riverrun](https://github.com/riverrun)
 * [Erlang](https://github.com/ergenius/eargon2) by [@ergenius](https://github.com/ergenius)
 * [Go](https://github.com/tvdburgt/go-argon2) by [@tvdburgt](https://github.com/tvdburgt)
 * [Haskell](https://hackage.haskell.org/package/argon2) by [@hvr](https://github.com/hvr)
 * [JavaScript (native)](https://github.com/ranisalt/node-argon2), by [@ranisalt](https://github.com/ranisalt)
@@ -267,9 +270,10 @@
 * [Rust](https://docs.rs/argonautica/) by [@bcmyers](https://github.com/bcmyers/)
 * [C#/.NET CoreCLR](https://github.com/kmaragon/Konscious.Security.Cryptography) by [@kmaragon](https://github.com/kmaragon)
 * [Perl](https://github.com/Leont/crypt-argon2) by [@leont](https://github.com/Leont)
 * [mruby](https://github.com/Asmod4n/mruby-argon2) by [@Asmod4n](https://github.com/Asmod4n)
 * [Swift](https://github.com/ImKcat/CatCrypto) by [@ImKcat](https://github.com/ImKcat)
+* [Swift](https://github.com/tmthecoder/Argon2Swift) by [@tmthecoder](https://github.com/tmthecoder)
 
 
 ## Test suite
 
 There are two sets of test suites. One is a low level test for the hash