Return -> Returns at the start of a docstring

The imperative tense doesn't make any sense when the function is a mere
getter and doesn't actually perform a nontrivial task.

nih_plug_egui/src/lib.rs

@@ -65,7 +65,7 @@ impl EguiState {
         })
     }
 
-    /// Return a `(width, height)` pair for the current size of the GUI in logical pixels.
+    /// Returns a `(width, height)` pair for the current size of the GUI in logical pixels.
     pub fn size(&self) -> (u32, u32) {
         self.size.load()
     }