Update typo in README

Fortune for smallmap's current commit: Middle blessing − 中吉

Cargo.toml

@@ -4,7 +4,7 @@ description = "Small byte-sized generic key-value map type"
 keywords = ["map", "table", "small", "key", "value"]
 repository = "https://github.com/notflan/smallmap"
 homepage= "https://git.flanchan.moe/flanchan/smallmap"
-version = "1.3.1"
+version = "1.3.2"
 authors = ["Avril <flanchan@cumallover.me>"]
 edition = "2018"
 license = "MIT"

README.md

@@ -27,7 +27,7 @@ Performance can greately outpace hash-based by an order of magnitude or more in
 
 * You have small keys
 * Your map is not at risk of Denial of Service attacks.
-* Your keys will have a lot of collisions
+* Your keys are not expected to have a lot of collisions when represented as `u8`.
 
 ### Don't use if