The dafault name is My Documents but can be changed to jblogg’s documents

1) Open registry editor
2) Locate and click HKCR\CLSID\{450D8FBA-AD25-11D0-98A8-0800361B1103}
3) You should see a folder/key named LocalizedString with a value similar to @C:\WINDOWS\system32\shell32.dll,My Documents
4) The value type should be REF_EXPAND_SZ. If not delete the key and recreate giving it a value type of REF_EXPAND_SZ
5) For the value use %Username%’s Documents