diff --git a/src/Main/GraphicUserInterface.cpp b/src/Main/GraphicUserInterface.cpp
index 2a3b2cdf..9ae735e4 100755
--- a/src/Main/GraphicUserInterface.cpp
+++ b/src/Main/GraphicUserInterface.cpp
@@ -1650,7 +1650,7 @@ namespace VeraCrypt
 	FilePath GraphicUserInterface::SelectVolumeFile (wxWindow *parent, bool saveMode, const DirectoryPath &directory) const
 	{
 		list < pair <wstring, wstring> > extensions;
-		extensions.push_back (make_pair (L"tc", LangString["TC_VOLUMES"].ToStdWstring()));
+		extensions.push_back (make_pair (L"hc", LangString["TC_VOLUMES"].ToStdWstring()));
 
 		FilePathList selFiles = Gui->SelectFiles (parent, LangString[saveMode ? "OPEN_NEW_VOLUME" : "OPEN_VOL_TITLE"], saveMode, false, extensions, directory);
 
diff --git a/src/Main/UserInterface.cpp b/src/Main/UserInterface.cpp
index dfeb32fd..0e16c6fc 100644
--- a/src/Main/UserInterface.cpp
+++ b/src/Main/UserInterface.cpp
@@ -1293,16 +1293,16 @@ namespace VeraCrypt
 					"veracrypt volume.hc /media/veracrypt1\n"
 					"\n"
 					"Mount a volume as read-only, using keyfiles:\n"
-					"veracrypt -m ro -k keyfile1,keyfile2 volume.tc\n"
+					"veracrypt -m ro -k keyfile1,keyfile2 volume.hc\n"
 					"\n"
 					"Mount a volume without mounting its filesystem:\n"
-					"veracrypt --filesystem=none volume.tc\n"
+					"veracrypt --filesystem=none volume.hc\n"
 					"\n"
 					"Mount a volume prompting only for its password:\n"
 					"veracrypt -t -k \"\" --protect-hidden=no volume.hc /media/veracrypt1\n"
 					"\n"
 					"Dismount a volume:\n"
-					"veracrypt -d volume.tc\n"
+					"veracrypt -d volume.hc\n"
 					"\n"
 					"Dismount all mounted volumes:\n"
 					"veracrypt -d\n"