diff --git a/documents/windows/firefox_installation/firefox_installation.lyx b/documents/windows/firefox_installation/firefox_installation.lyx
index 782c892..0d4b61b 100644
--- a/documents/windows/firefox_installation/firefox_installation.lyx
+++ b/documents/windows/firefox_installation/firefox_installation.lyx
@@ -141,7 +141,7 @@ htmladdnormallink{Datei}{../../../programme/Firefox
 \backslash
 %20Setup
 \backslash
-%202.0.0.4exe}
+%202.0.0.4.exe}
 \end_layout
 
 \end_inset