Fix typo in changelog.

CHANGELOG

@@ -4,7 +4,7 @@
 - Flush temporary file before opening attachment. [#390]
 - Disable password generator when showing entry in history mode. [#422]
 - Strip invalid XML chars when writing databases. [#392]
-- Add repair function to fix databses with invalid XML chars. [#392]
+- Add repair function to fix databases with invalid XML chars. [#392]
 - Display custom icons scaled. [#322]
 - Allow opening databases that have no password and keyfile. [#391]
 - Fix crash when importing .kdb files with invalid icon ids. [#425]