diff --git a/prpr/cli.py b/prpr/cli.py
index 708186c..cac44bd 100644
--- a/prpr/cli.py
+++ b/prpr/cli.py
@@ -23,10 +23,10 @@ def configure_arg_parser():
     )
     filters.add_argument(
         "-p",
-        "--problems",
+        "--projects",
         type=int,
         nargs="+",
-        help="the numbers of problems to be shown; multiple space-separated values are accepted",
+        help="the numbers of projects to be shown; multiple space-separated values are accepted",
     )
     filters.add_argument(
         "-n",
@@ -39,7 +39,13 @@ def configure_arg_parser():
         "--student",
         help="the substring to be found in the student column, mail works best",
     )
-    arg_parser.add_argument("-o", "--open", action="store_true", default=False, help="Open homework pages in browser")
+    arg_parser.add_argument(
+        "-o",
+        "--open",
+        action="store_true",
+        default=False,
+        help="Open the first homework in the list "
+             "in two tabs of default browser: tracker and reviewer")
     arg_parser.add_argument(
         "-v",
         "--verbose",
diff --git a/prpr/filters.py b/prpr/filters.py
index 510167f..9628208 100644
--- a/prpr/filters.py
+++ b/prpr/filters.py
@@ -36,7 +36,7 @@ def filter_homeworks(
     homeworks: list[Homework],
     *,
     mode: Mode,
-    problems: Optional[list[int]] = None,
+    projects: Optional[list[int]] = None,
     no: Optional[int] = None,
     student: Optional[str] = None,
 ) -> list[Homework]:
@@ -57,8 +57,8 @@ def filter_homeworks(
     elif mode == Mode.CLOSED:
         result = _filter_homeworks_by_status(homeworks, CLOSED_STATUSES)
 
-    if problems:
-        result = [h for h in result if h.problem in problems]
+    if projects:
+        result = [h for h in result if h.project in projects]
     if student:
         result = [h for h in result if student in h.student]
     return result
diff --git a/prpr/homework.py b/prpr/homework.py
index 9d61b4b..5d00f65 100644
--- a/prpr/homework.py
+++ b/prpr/homework.py
@@ -57,7 +57,7 @@ def __init__(
         self.number = number
         self.status_updated = self._parse_datetime(status_updated)
         self.description = description
-        self.problem, self.student = self._extract_problem_and_student(summary)
+        self.project, self.student = self._extract_project_and_student(summary)
         self.status = Status.from_string(status)
         self.issue_key = issue_key
 
@@ -130,12 +130,12 @@ def _compute_deadline(status_updated: Optional[datetime], status: Status) -> Opt
         return status_updated + timedelta(days=1) if status in {Status.OPEN} else None
 
     def __repr__(self) -> str:
-        return f"no {self.number}: {self.student} {self.problem} ({self.status})"
+        return f"no {self.number}: {self.student} {self.project} ({self.status})"
 
     @staticmethod
-    def _extract_problem_and_student(summary) -> Tuple[int, str]:
-        if m := re.match(r"\[(?P<problem>\d+)( \(back_cohort_(?P<cohort>\d+)\))?\] (?P<student>.*)", summary):
-            return int(m.group("problem")), m.group("student")
+    def _extract_project_and_student(summary) -> Tuple[int, str]:
+        if m := re.match(r"\[(?P<project>\d+)( \(back_cohort_(?P<cohort>\d+)\))?\] (?P<student>.*)", summary):
+            return int(m.group("project")), m.group("student")
         raise ValueError(f"Couldn't parse summary '{summary}' 😿")
 
     @property
diff --git a/prpr/main.py b/prpr/main.py
index 3234349..40be6f9 100755
--- a/prpr/main.py
+++ b/prpr/main.py
@@ -46,7 +46,7 @@ def main():
     filtered_homeworks = filter_homeworks(
         homeworks,
         mode=args.mode,
-        problems=args.problems,
+        projects=args.projects,
         no=args.no,
         student=args.student,
     )
diff --git a/prpr/table.py b/prpr/table.py
index 4c22bde..379a09b 100644
--- a/prpr/table.py
+++ b/prpr/table.py
@@ -18,7 +18,7 @@ def print_issue_table(homeworks: list[Homework], last=None):
             str(table_number),
             homework.issue_url,
             str(homework.number),
-            str(homework.problem),
+            str(homework.project),
             homework.student,
             homework.pretty_status,
             homework.deadline_string,