fix typo

qt/exclude_list_dialog.py

@@ -153,7 +153,7 @@ class ExcludeListDialog(QDialog):
 These (case sensitive) python regular expressions will filter out files during scans.<br>\
 Directores will also have their <strong>default state</strong> set to Excluded \
 in the Directories tab if their name happens to match one of the selected regular expressions.<br>\
-For each file collected, two tests are perfomed to determine whether or not to completely ignore it:<br>\
+For each file collected, two tests are performed to determine whether or not to completely ignore it:<br>\
 <li>1. Regular expressions with no path separator in them will be compared to the file name only.</li>
 <li>2. Regular expressions with at least one path separator in them will be compared to the full path to the file.</li><br>
 Example: if you want to filter out .PNG files from the "My Pictures" directory only:<br>\