Language changes

l. 4: "den" added to establish the reference.
l. 14: I've switched into the passive, as the active voice sounds rather Non-German.
Term corr. 

l. 4: word order was edited (English version)
l. 26: I've included the hyphen as these two nouns form a specific compound, namely that certain system for Liking.
Language fixes by @Gabbid