"0 (remains forever).")
#define REFRESH_TEXT N_("Refresh period in ms")
#define REFRESH_LONGTEXT N_("Number of milliseconds between string updates. " \
- "This is mainly usefull when using meta data " \
+ "This is mainly useful when using meta data " \
"or time format string sequences.")
#define OPACITY_TEXT N_("Opacity")
#define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \