converted keyword inspired by XXX to inspirations: XXX

entries/slade.md

@@ -3,10 +3,11 @@
 _Tool of Doom._
 
 - Home: http://slade.mancubus.net/
+- Inspirations: Doom
 - State: mature
 - Download: http://slade.mancubus.net/index.php?page=downloads
 - Platform: Windows, macOS
-- Keywords: tool, inspired by Doom, swappable content
+- Keywords: tool, swappable content
 - Code repository: https://github.com/sirjuddington/SLADE.git
 - Code language: C++
 - Code license: GPL-2.0