docs: change doc comment of NoVersions (#65)

Author: mpizenberg

src/internal/incompatibility.rs

@@ -41,7 +41,7 @@ pub struct Incompatibility<P: Package, V: Version> {
 enum Kind<P: Package, V: Version> {
     /// Initial incompatibility aiming at picking the root package for the first decision.
     NotRoot(P, V),
-    /// No versions from range satisfy given constraints.
+    /// There are no versions in the given range for this package.
     NoVersions(P, Range<V>),
     /// Dependencies of the package are unavailable for versions in that range.
     UnavailableDependencies(P, Range<V>),

src/report.rs

@@ -37,7 +37,7 @@ pub enum DerivationTree<P: Package, V: Version> {
 pub enum External<P: Package, V: Version> {
     /// Initial incompatibility aiming at picking the root package for the first decision.
     NotRoot(P, V),
-    /// No versions from range satisfy given constraints.
+    /// There are no versions in the given range for this package.
     NoVersions(P, Range<V>),
     /// Dependencies of the package are unavailable for versions in that range.
     UnavailableDependencies(P, Range<V>),