BLAZ-001: accessibility.md final correction

Author: Venkat-Ayothi

blazor/spreadsheet/accessibility.md

@@ -48,7 +48,7 @@ The Syncfusion Blazor Spreadsheet followed the WAI-ARIA patterns to meet the acc
 | `role=alert` | Designates an element that displays im  portant, time-sensitive information. |
 | `aria-label`| This attribute describes the accessible name for the interactive elements. |
 | `aria-expanded` | This attribute describes the control (for example, dropdown) is expanded or collapsed. |
-| `aria-live` | Defines a region as "live," meaning its content updates dynamically. Values include "off," "polite" (waits until idle), or "assertive" (announces immediately). |
+| `aria-live` | Defines a region as "live", meaning its content updates dynamically. Values include "off", "polite" (waits until idle), or "assertive" (announces immediately). |
 | `aria-rowindex` | Defines row index of the row with respect to the total number of rows within the Spreadsheet. |
 | `aria-colindex` | Defines the column index of the column with respect to the total number of columns within the Spreadsheet. |
 | `aria-multiline` | Indicates whether a textbox accepts multiple lines of input or only a single line. |