Merge #1369: docs: update README.md

aedcd3e docs: update README.md (Ikko Eltociear Ashimine)

Pull request description:

  minor fix

ACKs for top commit:
  josecelano:
    ACK aedcd3e

Tree-SHA512: 0734c6836b6690fab11e3efff2bd711d571ee9cb12d0910a837e575d2f60c32204a29baba80340f3fdda55aad3bab98a03536642f17584691c452d703cd85550

Author: josecelano

README.md

@@ -104,7 +104,7 @@ podman run -it docker.io/torrust/tracker:develop
 # Checkout repository into a new folder:
 git clone https://github.com/torrust/torrust-tracker.git
 
-# Change into directory and create a empty database file:
+# Change into directory and create an empty database file:
 cd torrust-tracker
 mkdir -p ./storage/tracker/lib/database/
 touch ./storage/tracker/lib/database/sqlite3.db