cleaning up lesson check issues

Author: DC23

_episodes/04-patterns.md

@@ -98,7 +98,7 @@ Finished job 0.
 > WorkflowError:
 > Target rules may not contain wildcards. Please specify concrete files or a rule without wildcards.
 > ~~~
-> {:.language-output}
+> {:.output}
 >
 > As the error message indicates, you need to ask for specific files. For example, `snakemake last.dat`.
 >

_episodes/08-antiduplication-pattern.md

@@ -331,6 +331,6 @@ BOOK_FILE = f'{INPUT_DIR}{{book}}.txt'
 > * make sure the configuration file name is in the `.gitignore` file (or equivalent).
 {:.callout}
 
-{% include links.md %}
+[f-string]: https://docs.python.org/3/reference/lexical_analysis.html#f-strings
 
-[f-string]: https://docs.python.org/3/reference/lexical_analysis.html#f-strings
+{% include links.md %}

_extras/guide.md

@@ -24,15 +24,8 @@ details.
 
 ## Solution Files
 
-If students get lost, there are hidden Snakefiles in the lesson materials
-that students can use as a reference or use for the final "cluster
-submission" section.
-
-The files are:
-
-* `.Snakefile-final`: A version of the file that meets requirements of the final episode.
-
-FIXME: add additional files
+If students get lost, there are solutions to most episodes in the `.solutions`
+directory included in the downloadable files.
 
 ## C3DIS 2020 Notes