diff --git a/README.md b/README.md
index 5d29458..9d6c64f 100644
--- a/README.md
+++ b/README.md
@@ -356,12 +356,34 @@ python3 photo_tagger.py search "Joh"
 python3 photo_tagger.py search-gui
 ```
 
-Search GUI features:
-- Person column shows the matched person's full name
-- 📁 column: click to open the file's folder (tooltip: "Open file location")
-- 📷 column: click to open the photo (tooltip: "Open photo")
-- Path column shows the absolute photo path
-- Press Enter in the name field to trigger search
+**🔍 Enhanced Search GUI Features:**
+- **Person Column**: Shows the matched person's full name
+- **📁 Column**: Click to open the file's folder (tooltip: "Open file location")
+- **🏷️ Column**: Click to show photo tags in popup, hover for tag tooltip
+- **Photo Path Column**: Click to open the photo (tooltip: "Open photo")
+- **☑ Column**: Click to select/deselect photos for bulk tagging
+- **Tag Selected Photos**: Button to open linkage dialog for selected photos
+- **Clear All Selected**: Button to deselect all checkboxes
+- **Enter Key**: Press Enter in the name field to trigger search
+- **Sortable Columns**: Click column headers to sort by person name or photo path
+- **Wider Window**: Optimized size to show all columns including checkbox column
+
+**🎯 Search GUI Workflow:**
+1. **Search for Photos**: Enter a person's name and press Enter or click Search
+2. **View Results**: See all photos containing that person in a sortable table
+3. **Select Photos**: Click checkboxes (☑) to select photos for bulk operations
+4. **View Tags**: Click 🏷️ icon to see all tags for a photo, or hover for quick preview
+5. **Open Photos**: Click the photo path to open the photo in your default viewer
+6. **Bulk Tagging**: Select multiple photos and click "Tag selected photos" to add tags
+7. **Clear Selection**: Use "Clear all selected" to deselect all photos at once
+
+**🏷️ Tag Management in Search GUI:**
+- **Tag Popup**: Click 🏷️ icon to see all tags for a photo in a scrollable popup
+- **Tag Tooltip**: Hover over 🏷️ icon for quick tag preview (shows up to 5 tags)
+- **Bulk Tag Dialog**: Select multiple photos and use "Tag selected photos" button
+- **Add New Tags**: Type new tag names in the linkage dialog (auto-saves to database)
+- **Remove Tags**: Use checkboxes in the linkage dialog to remove existing tags
+- **Enter Key Support**: Press Enter in tag input field to quickly add tags
 
 ### Statistics
 ```bash