fix silares light-mode logo url

Author: alichraghi

assets/corporate-sponsors.html

@@ -30,7 +30,7 @@
 		<picture>
 			<source srcset="/sponsors/SILARES_HORIZONTAL_LOGO_WHITE.png"
 			        media="(prefers-color-scheme: dark)"
-			><img src="/sponsors/SILARES_HORIZONTAL_LOGO_BlACK.png" alt="">
+			><img src="/sponsors/SILARES_HORIZONTAL_LOGO_BLACK.png" alt="">
 		</picture>
 	</a>
 </div>