diff --git a/src/discussions/ui/gui.py b/src/discussions/ui/gui.py
index 085b153..6878376 100644
--- a/src/discussions/ui/gui.py
+++ b/src/discussions/ui/gui.py
@@ -2078,6 +2078,20 @@ class DiscussionGUI:
                     tag="dictate_btn",
                     width=100
                 )
+                # Add tooltip with usage instructions
+                with dpg.tooltip("dictate_btn"):
+                    dpg.add_text("Voice Dictation", color=(200, 200, 255))
+                    dpg.add_separator()
+                    dpg.add_text("Double-click: Continuous mode")
+                    dpg.add_text("  Transcribed text appends to end.", color=(150, 150, 150))
+                    dpg.add_text("  Click again to stop.", color=(150, 150, 150))
+                    dpg.add_spacer(height=5)
+                    dpg.add_text("Click & hold: Walkie-talkie mode")
+                    dpg.add_text("  Inserts at last edited position.", color=(150, 150, 150))
+                    dpg.add_text("  Release to stop.", color=(150, 150, 150))
+                    dpg.add_spacer(height=5)
+                    dpg.add_text("Tip: Type at insertion point first", color=(255, 200, 100))
+                    dpg.add_text("to set cursor position.", color=(255, 200, 100))
                 # Add item handlers for press-and-hold vs double-click detection
                 with dpg.item_handler_registry(tag="dictate_btn_handlers"):
                     dpg.add_item_activated_handler(callback=self._on_dictate_activated)