update

docs/building/sources/grib.rst

@@ -24,7 +24,7 @@ You can also use the requested `date` to build the filenames.
 It the GRIB files containing the requested data are named according to
 the following pattern:
 
-   ``/path/to/YYYY/MM)/YYYYMMDDHH.grib```
+   ``/path/to/YYYY/MM)/YYYYMMDDHH.grib``
 
 
 .. literalinclude:: yaml/grib4.yaml