--- a/Plugins/VcsPlugins/vcsMercurial/HgUserConfigDialog.py	Sun Nov 06 18:04:19 2016 +0100
+++ b/Plugins/VcsPlugins/vcsMercurial/HgUserConfigDialog.py	Sun Nov 06 18:09:23 2016 +0100
@@ -219,7 +219,7 @@
                 for host in fingerprints:
                     key = "{0}:fingerprints".format(host)
                     self.__config["hostsecurity"][key] = \
-                        "\\\n" + ", \\\n".join(fingerprints[host])
+                        ", ".join(fingerprints[host])
             else:
                 if "hostsecurity" in self.__config:
                     self.__clearFingerprints()