Fixed software instructions.

_pages/software_instructions.md

@@ -68,7 +68,7 @@ You may contact me directly to obtain the public key fingerprint in a different
          Get this variable with:
 
    ```shell
-   git describe
+   git describe --tags $(git rev-list --tags --max-count=1)
    ```
 
 - `tag_raw`: same as `tag` but pad each component of the tag with 6 zeros.
@@ -80,14 +80,14 @@ You may contact me directly to obtain the public key fingerprint in a different
                                   This is the one liner command to get the date:
 
   ```shell
-  python3 -c 'from dateutil import parser as dateutil_parser; from dateutil.tz import UTC; import sys; p = dateutil_parser.parse(sys.argv[1]); u=p.astimezone(UTC); print(u.strftime("%Y-%m-%d"))' "$(git tag -l $(git describe) --format='%(taggerdate)')"
+  python3 -c 'from dateutil import parser as dateutil_parser; from dateutil.tz import UTC; import sys; p = dateutil_parser.parse(sys.argv[1]); u=p.astimezone(UTC); print(u.strftime("%Y-%m-%d"))' "$(git tag -l --format='%(taggerdate)' $(git describe --tags $(git rev-list --tags --max-count=1)))"
   ```
 
 - `project_version_release_timestamp`: the timestamp of a software version (tag) in UTC format.
                                        This is the one liner command to get the timestamp:
 
   ```shell
-  python3 -c 'from dateutil import parser as dateutil_parser; from dateutil.tz import UTC; import sys; p = dateutil_parser.parse(sys.argv[1]); u=p.astimezone(UTC); print(u.strftime("%Y-%m-%d %T"))' "$(git tag -l $(git describe) --format='%(taggerdate)')"
+  python3 -c 'from dateutil import parser as dateutil_parser; from dateutil.tz import UTC; import sys; p = dateutil_parser.parse(sys.argv[1]); u=p.astimezone(UTC); print(u.strftime("%Y-%m-%d %T"))' "$(git tag -l --format='%(taggerdate)' $(git describe --tags $(git rev-list --tags --max-count=1)))"
   ```
 
 - `changelog_slugified_header`: the slugified header corresponding to a tag in a changelog file