Fix more typos in Gradio_UI

Gradio_UI.py

@@ -321,7 +321,7 @@ class GradioUI:
             submit_button = gr.Button("Send")
             gr.Examples(
                 examples=[
-                    "Draw me a pair of curious giraffe in front of Mona Lisa in Louvre",
+                    "Draw me a pair of curious giraffes in front of Mona Lisa in Louvre",
                     "Draw me a portrait of a beautiful hipster woman, expressive lips, almond shaped eyes, bright sunny day",
                     "Draw me abstract style waterfalls with wildlife inside the silhouette of a man’s head",
                     "Draw me a polaroid family photo of a husband wife and kids in the 1980ies with dog on a summer everning"