Add a missing space (#138)

Also fix punctuation a bit.

i18n/en.json

@@ -76,7 +76,7 @@
 	"wikitype-header": "Wikis for a wide variety",
 	"wikitype-desc": "Miraheze offers wiki hosting service to a wide variety of wikis! Consider some potential use cases:",
 	"wikitype-technology": "Technology",
-	"wikitype-technology-desc": "Technology is everywhere, even in a toaster. Create and share encyclopedias, documentation, guides, knowledgebases, on a wide variety of tech topics, from FOSS to hardware to programming.",
+	"wikitype-technology-desc": "Technology is everywhere, even in a toaster. Create and share encyclopedias, documentation, guides, and knowledge bases on a wide variety of tech topics, from FOSS to hardware to programming.",
 	"wikitype-games": "Games",
 	"wikitype-games-desc": "No one knows games like you do. Hidden features, powerful mods, scrapped lore, you know it all. Build an encyclopedia that captures all of that, powered by flexibility like none other.",
 	"wikitype-tv": "TV/Entertainment",