--- a/src/file-io.cc
+++ b/src/file-io.cc
@@ -699,7 +699,7 @@
 position), @code{SEEK_SET} (beginning), or @code{SEEK_END} (end of\n\
 file) or strings \"cof\", \"bof\" or \"eof\". If @var{origin} is omitted,\n\
 @code{SEEK_SET} is assumed.  The offset must be zero, or a value returned\n\
-by @code{ftell} (in which case @var{origin} must be @code{SEEK_SET}.\n\
+by @code{ftell} (in which case @var{origin} must be @code{SEEK_SET}).\n\
 \n\
 Return 0 on success and -1 on error.\n\
 @end deftypefn\n\