Typo

Co-authored-by: Matty <weatherleymatthew@gmail.com>

crates/bevy_color/src/color_gradient.rs

@@ -36,7 +36,7 @@ impl<T: Mix> ColorGradient<T> {
     }
 
     /// Converts the [`ColorGradient`] to a [`ColorCurve`] which implements the [`Curve`] trait
-    /// along with its adaptor methods
+    /// along with its adaptor methods.
     /// # Example
     ///
     /// ```