Fix PileupColumn.get_query_sequences documentation
Fix mark_matches ./, documentation to match pileup documentation.
Fixes
@@ -2939,7 +2939,7 @@ cdef class PileupColumn:
mark_matches: bool
- If True, output bases matching the reference as "," or "."
+ If True, output bases matching the reference as "." or ","
for forward and reverse strand, respectively. This mark
requires the reference sequence. If no reference is
present, this option is ignored.
