Address review feedback.

rxwei · rxwei · commit df68958ee8df · 2019-12-12T13:47:13.000-08:00
diff --git a/docs/DifferentiableProgramming.md b/docs/DifferentiableProgramming.md
@@ -1808,7 +1808,7 @@ extension P {
 }
 
 struct S: P {
-    @differentiable(default) // Inherits from `P.foo(_:)`.
+    @differentiable(default) // Inherits default derivative for `P.foo(_:)`.
     func foo(_ x: Float) -> Float {
         33
     }

Original file line number	Diff line number	Diff line change
`@@ -1808,7 +1808,7 @@ extension P {`
`1808`	`1808`	`}`
`1809`	`1809`
`1810`	`1810`	`struct S: P {`
`1811`		- @differentiable(default) // Inherits from `P.foo(_:)`.
	`1811`	+ @differentiable(default) // Inherits default derivative for `P.foo(_:)`.
`1812`	`1812`	`func foo(_ x: Float) -> Float {`
`1813`	`1813`	`33`
`1814`	`1814`	`}`