Fix various small typos in docs

doc/api/discussions.md

@@ -987,7 +987,7 @@ addition by referencing line 157 in the *new* file:
 ```shell
 curl --request POST --header "PRIVATE-TOKEN: [ACCESS_TOKEN]"\
   --form "note=This is brilliant!" --form "path=hello.rb"\
-  --form "line=157" --form "line_type=old"\
+  --form "line=157" --form "line_type=new"\
   "https://gitlab.com/api/v4/projects/47/repository/commits/<COMMIT_ID>/comments"
 ```
 

doc/ci/pipelines/job_artifacts.md

@@ -283,7 +283,7 @@ test:
 ```
 
 With this configuration, GitLab adds a link **artifact 1** to the relevant merge request
-that points to `file1.txt`. To access the link, select **View exposed artifact**
+that points to `file.txt`. To access the link, select **View exposed artifact**
 below the pipeline graph in the merge request overview.
 
 An example that matches an entire directory:

doc/user/project/merge_requests/reviews/index.md

@@ -72,7 +72,7 @@ When you submit your review, GitLab:
 
 ### Resolve or unresolve thread with a comment
 
-Review comments can also resolve or unresolve [resolvable threads](../../../discussions/index.md#resolve-a-thread)).
+Review comments can also resolve or unresolve [resolvable threads](../../../discussions/index.md#resolve-a-thread).
 When replying to a comment, a checkbox is displayed to resolve or unresolve
 the thread after publication.