fix incorrect Wikipedia link

Signed-off-by: Hayden Schiff <[email protected]>

Author: oxguy3

topics/zx-spectrum/index.md

@@ -4,7 +4,7 @@ topic: zx-spectrum
 aliases: spectrum, speccy, spectrum-zx, zxspectrum, spectrumzx, sinclair, sinclair-spectrum
 related: amstrad-cpc, commodore-64, bbc-micro, spectrum-next
 short_description: An 8-bit personal home computer developed by Sinclair Research and Britain's best-selling microcomputer.
-wikipedia_url: https://en.wikipedia.org/wiki/Action-adventure_game
+wikipedia_url: https://en.wikipedia.org/wiki/ZX_Spectrum
 created_by: Sinclair Research
 released: April 23, 1982
 logo: zx-spectrum.png