Correct an inaccuracy

Author: potocpav

src/doc/specifying-dependencies.md

@@ -47,10 +47,10 @@ be allowed with them:
 ^0 := >=0.0.0 <1.0.0
 ```
 
-This compatibility convention is different from SemVer in the way it treats the 
+This compatibility convention is different from SemVer in the way it treats 
 versions before 1.0.0. While SemVer says there is no compatibility before 
-1.0.0, Cargo considers any `0.x.y` and `0.x.z` versions, where `z ≥ y`, to be 
-compatible.
+1.0.0, Cargo considers `0.x.y` to be compatible with `0.x.z`, where `y ≥ z` 
+and `x > 0`.
 
 ## Tilde requirements