Cosmetics in docstrings.

bam25prime/Python/bam25prime/bam25prime.py

@@ -117,12 +117,12 @@ def collapse_and_sort(alis):
     """
     Collapse elements from *alis* to their 5 prime end.
 
-    The resulting :class:`pybedtool.BedTool` is sorted.
+    The resulting :class:`pybedtools.BedTool` is sorted.
 
     :param alis: An iterable of :class:`pysam.AlignedSegment`
-    :rtype: :class:`pybedtool.BedTool`
+    :rtype: :class:`pybedtools.BedTool`
 
-    :class:`pybedtool.BedTool` is an iterable:
+    :class:`pybedtools.BedTool` is an iterable:
     It can be iterated over in a for loop, or produce an iterator
     using :func:`iter` on it
     (see https://stackoverflow.com/a/28353158/1878788).