diff --git a/.gitignore b/.gitignore
index 93da9b9..1c53512 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ dict/aux.txt
 *.dat
 *.idx
 *.oxt
+results/
diff --git a/build-oxt.py b/build-oxt.py
index 1a825df..3e06b76 100755
--- a/build-oxt.py
+++ b/build-oxt.py
@@ -80,6 +80,11 @@ def parse_line(line):
 
 def generate_output():
 
+   if os.path.exists(OUTPUT):
+      shutil.rmtree(OUTPUT, ignore_errors=True)
+   if not os.path.exists(OUTPUT):
+      os.mkdir(OUTPUT)
+
    oxt_idx = 'UTF-8' + '\n' + str(len(wordlist)) + '\n'
    oxt_dat = 'UTF-8' + '\n'
    
@@ -104,6 +109,7 @@ def generate_output():
 
    shutil.copyfile(OUTPUT + filename + '.idx', OXT_DIR + OXT_NAME + '/dictionaries/' + filename + '.idx')
    shutil.copyfile(OUTPUT + filename + '.dat', OXT_DIR + OXT_NAME + '/dictionaries/' + filename + '.dat')
+   shutil.copyfile(OXT_DIR + OXT_NAME + '/README.txt', OUTPUT + '/README.txt')
 
    shutil.make_archive(OUTPUT + OXT_NAME, 'zip', OXT_DIR + OXT_NAME + '/')
 
diff --git a/oxt/thesaurus-ca/README.txt b/oxt/thesaurus-ca/README.txt
index 98a68ea..7725e53 100644
--- a/oxt/thesaurus-ca/README.txt
+++ b/oxt/thesaurus-ca/README.txt
@@ -9,7 +9,7 @@ _______________________________________________________________________________
 	    Creative Commons CC-BY 4.0 https://creativecommons.org/licenses/by/4.0/
 		
 
-	Aquest tesaurus funciona en qualsevol programari que usi el motor mythes, 
+	Aquest diccionari de sinònims funciona en qualsevol programari que usi el motor mythes, 
 	p. ex.: LibreOffice, OpenOffice.org 3.2+
 	
 	Més informació: