diff --git a/doc/demo/afine.txt b/demo/afine.txt
similarity index 100%
rename from doc/demo/afine.txt
rename to demo/afine.txt
diff --git a/doc/demo/plaintext.txt b/demo/plaintext.txt
similarity index 100%
rename from doc/demo/plaintext.txt
rename to demo/plaintext.txt
diff --git a/doc/demo/vigenere.2.txt b/demo/vigenere.2.txt
similarity index 100%
rename from doc/demo/vigenere.2.txt
rename to demo/vigenere.2.txt
diff --git a/doc/demo/vigenere.3.txt b/demo/vigenere.3.txt
similarity index 100%
rename from doc/demo/vigenere.3.txt
rename to demo/vigenere.3.txt
diff --git a/doc/demo/vigenere.txt b/demo/vigenere.txt
similarity index 100%
rename from doc/demo/vigenere.txt
rename to demo/vigenere.txt