Update README.md

Author: kaleidot725

README.md

@@ -194,7 +194,7 @@ private fun ColumnScope.TextEditorMenu(textEditorState: TextEditorState) {
 
 ### Get selected line index
 
-![Get selected line index(./docs/3.gif)
+![Get selected line index](./docs/3.gif)
 
 ### Display line number
 
@@ -206,4 +206,4 @@ private fun ColumnScope.TextEditorMenu(textEditorState: TextEditorState) {
 
 ### Delete multiple line
 
-![Delete multiple line](./docs/6.gif)
+![Delete multiple line](./docs/6.gif)