Fix some typos.

1 files changed, 3 insertions, 3 deletions

diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py
index 71ef5a72dc..9dd537bf66 100644
--- a/synapse/storage/util/id_generators.py
+++ b/synapse/storage/util/id_generators.py
@@ -245,7 +245,7 @@ class MultiWriterIdGenerator:
         # and b) noting that if we have seen a run of persisted positions
         # without gaps (e.g. 5, 6, 7) then we can skip forward (e.g. to 7).
         #
-        # Note: There is no guarentee that the IDs generated by the sequence
+        # Note: There is no guarantee that the IDs generated by the sequence
         # will be gapless; gaps can form when e.g. a transaction was rolled
         # back. This means that sometimes we won't be able to skip forward the
         # position even though everything has been persisted. However, since
@@ -418,7 +418,7 @@ class MultiWriterIdGenerator:
         # bother, as nothing will read it).
         #
         # We only do this on the success path so that the persisted current
-        # position points to a persited row with the correct instance name.
+        # position points to a persisted row with the correct instance name.
         if self._writers:
             txn.call_after(
                 run_as_background_process,
@@ -509,7 +509,7 @@ class MultiWriterIdGenerator:
             }
 
     def advance(self, instance_name: str, new_id: int):
-        """Advance the postion of the named writer to the given ID, if greater
+        """Advance the position of the named writer to the given ID, if greater
         than existing entry.
         """