fix typos in admin doc

doc/admin/README.md

@@ -362,6 +362,7 @@ For your information, boxpositions are referenced by the id of the box, and by t
 ### Projects <a name="Projects"></a> 
 
 xxx
+
 *[Back to Contents](#Contents)*
 
 ## Media files <a name="Mediafiles"></a> 
@@ -411,11 +412,12 @@ The sequence of a plasmid is stored in the field `sequence` of the `plasmids` ta
 
 In the top right corner of the edit page of plasmids, a button invites you to update the plasmid sequence using its `.gb` file:
 ![plasmid-updateseqfromfile](/doc/img/screenshot-plasmid-updateseqfromfile.png)
+
 A file must be uploaded before you can use this functionality:
 - Enter a `.gb` file in the `Seqfile` field (must be in GENBANK format).
 - Click `Save`
 - Come back to the `Edit` page of the plasmid
-- Click `Update sequence from `.gb` file.
+- Click `Update sequence from .gb file`.
 - The `Sequence` field of the plasmid now contains the sequence contained in the provided `.gb` file.
 
 **Users can retrieve plasmids using a query sequence.** For this, go to the BLAST item of the menu, select `plasmids` in response to 'what do you want to search' and enter a query sequence in the text box. By default, the page expects your query to be nucleotidic and the program is `blastn`. If your query sequence is a peptide, you can select the program and task `tblastn`.