macOS installer: fix typo in welcome page

macOS/welcome_template.html

@@ -27,7 +27,7 @@
       <p>Thank you for choosing Dynare!</p>
       <p>This installation does not require administrative privileges. If for some reason admin rights are requested, use 'Change Install Location' and select 'Install for me only'.</p>
       <p>By default Dynare will be installed into /Applications/Dynare. To modify the installation path, click <strong>Customize</strong> after accepting the license. Then, under <strong>Location</strong>, select your desired folder.</p>
-      <p>Installing into /Applications/dynare might fail if you have older versions of Dynare installed in /Applications/Dynare. To fix this, modify the ownership by executing the following command in Terminal.app:</p>
+      <p>Installing into /Applications/Dynare might fail if you have older versions of Dynare installed in /Applications/Dynare. To fix this, modify the ownership by executing the following command in Terminal.app:</p>
       <code>
       sudo chown -R "$USER":staff /Applications/Dynare
       </code>