Rename lookup tool in Minecraft style

mods/HELP/doc/doc_identifier/init.lua

@@ -143,7 +143,7 @@ function doc_identifier.liquid_mode(itemstack, user, pointed_thing)
 end
 
 minetest.register_tool("doc_identifier:identifier_solid", {
-	description = S("Lookup tool"),
+	description = S("Lookup Tool"),
 	_doc_items_longdesc = S("This useful little helper can be used to quickly learn more about about one's closer environment. It identifies and analyzes blocks, items and other things and it shows extensive information about the thing on which it is used."),
 	_doc_items_usagehelp = S("Punch any block, item or other thing about you wish to learn more about. This will open up the appropriate help entry. The tool comes in two modes which are changed by a rightclick. In liquid mode (blue) this tool points to liquids as well while in solid mode (red) this is not the case. Liquid mode is required if you want to identify a liquid."),
 	_doc_items_hidden = false,
@@ -157,7 +157,7 @@ minetest.register_tool("doc_identifier:identifier_solid", {
 	on_secondary_use = doc_identifier.liquid_mode,
 })
 minetest.register_tool("doc_identifier:identifier_liquid", {
-	description = S("Lookup tool"),
+	description = S("Lookup Tool"),
 	_doc_items_create_entry = false,
 	tool_capabilities = {},
 	range = 10,

mods/HELP/doc/doc_identifier/locale/de.txt

@@ -2,7 +2,7 @@ Error: This node, item or object is undefined. This is always an error.\nThis ca
 It appears to originate from the mod “%s”, which is enabled. = Es scheint von der Mod »%s« zu stammen. Sie ist aktiv.
 It appears to originate from the mod “%s”, which is not enabled! = Es scheint von der Mod »%s« zu stammen. Sie ist nicht aktiv!
 Its identifier is “%s”. = Der Identifkator ist »%s«.
-Lookup tool = Nachschlagewerkzeug
+Lookup Tool = Nachschlagewerkzeug
 No help entry for this block could be found. = Für diesen Block konnte kein Hilfseintrag gefunden werden.
 No help entry for this item could be found. = Für diesen Gegenstand konnte kein Hilfseintrag gefunden werden.
 No help entry for this object could be found. = Für dieses Objekt konnte kein Hilfseintrag gefunden werden.

mods/HELP/doc/doc_identifier/locale/template.txt

@@ -2,7 +2,7 @@ Error: This node, item or object is undefined. This is always an error.\\nThis c
 It appears to originate from the mod “%s”, which is enabled. =
 It appears to originate from the mod “%s”, which is not enabled! =
 Its identifier is “%s”. =
-Lookup tool =
+Lookup Tool =
 No help entry for this block could be found. =
 No help entry for this item could be found. =
 No help entry for this object could be found. =