Escape tag characters (#1071)

< and > characters are need escaping in Markdown.

Author: tksh164

desktop-src/Msi/hyperlink-control.md

@@ -12,7 +12,7 @@ The Hyperlink control displays a HTML link to an address, which opens in the def
 
 **[Windows Installer 4.5 or earlier](not-supported-in-windows-installer-4-5.md):** Not supported. This Control is available beginning with Windows Installer 5.0.
 
-The Text value of the HyperLink control uses the anchor <a> tag and the HREF attribute value to specify the URL and displayed text of the link.
+The Text value of the HyperLink control uses the anchor \<a\> tag and the HREF attribute value to specify the URL and displayed text of the link.
 
 ``` syntax
 [Blue Yonder Airlines](https://www.blueyonderairlines.com)