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-rw-r--r--alot/db/errors.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/alot/db/errors.py b/alot/db/errors.py
index 55eb05ef..668ab34e 100644
--- a/alot/db/errors.py
+++ b/alot/db/errors.py
@@ -8,15 +8,18 @@ class DatabaseError(Exception):
class DatabaseROError(DatabaseError):
+
"""cannot write to read-only database"""
pass
class DatabaseLockedError(DatabaseError):
+
"""cannot write to locked index"""
pass
class NonexistantObjectError(DatabaseError):
+
"""requested thread or message does not exist in the index"""
pass