diff --git a/data/init/init.txt b/data/init/init.txt
index 76f862c..99ea3fa 100755
--- a/data/init/init.txt
+++ b/data/init/init.txt
@@ -43,7 +43,7 @@ If this is set to YES, the tiles will not be stretched, but rather the game view
 
 [BLACK_SPACE:YES]
 
-Graphics info, most of it as above.  Set GRAPHICS to YES to turn it all on.  This will use the "raw/graphics" folder for tile information.  Currently this is limited to whatever creature graphics you have downloaded.  The game comes with a few pictures to demonstrate.  As of February 2020, the Dwarf Fortress Wiki has custom tilesets available at http://dwarffortresswiki.org/index.php/Tileset_repository and creature graphics at http://dwarffortresswiki.org/index.php/Graphics_set_repository.
+Graphics info, most of it as above.  Set GRAPHICS to YES to turn it all on.  This will use the "raw/graphics" folder for tile information.  Currently this is limited to whatever creature graphics you have downloaded.  The game comes with a few pictures to demonstrate.  As of January 2021, the Dwarf Fortress Wiki has custom tilesets available at http://dwarffortresswiki.org/index.php/Tileset_repository and creature graphics at http://dwarffortresswiki.org/index.php/Graphics_set_repository.
 
 [GRAPHICS:YES]
 [GRAPHICS_WINDOWEDX:0]
diff --git a/manifest.json b/manifest.json
index ebe919e..2e770ca 100755
--- a/manifest.json
+++ b/manifest.json
@@ -2,7 +2,7 @@
     "author": "Ironhand, Wormslayer, GoldenShadow",
     "url": "http://www.bay12forums.com/smf/index.php?topic=53180.999999",
     "content_version": "2020-01-31)",
-    "df_min_version": "0.47.01",
+    "df_min_version": "0.47.05",
     "df_max_version": "0.48.00",
     "folder_prefix": "Ironhand",
     "title": "Ironhand 18x",
diff --git a/raw/objects/creature_bug_slug_new.txt b/raw/objects/creature_bug_slug_new.txt
index 09aa4b3..df6825a 100755
--- a/raw/objects/creature_bug_slug_new.txt
+++ b/raw/objects/creature_bug_slug_new.txt
@@ -228,7 +228,7 @@ Grasshoppers were sponsored by the generous contributions of the Bay 12 communit
 	[CREATURE_TILE:182][COLOR:2:0:1]
 	[NATURAL]
 	[BIOME:NOT_FREEZING]
-	[FREQUENCY:100]
+	[VERMIN_GROUNDER][FREQUENCY:100]
 	[UBIQUITOUS]
 	[VERMIN_NOTRAP]
 	[POPULATION_NUMBER:250:500]