Fix a typo (#15844)

crayxt · jreback · commit 48749ce4a774 · 2017-03-30T07:57:00.000-04:00
diff --git a/pandas/sparse/sparse.pyx b/pandas/sparse/sparse.pyx
@@ -71,7 +71,7 @@ cdef class IntIndex(SparseIndex):
     def check_integrity(self):
         """
         Only need be strictly ascending and nothing less than 0 or greater than
-        totall ength
+        total length
         """
         pass
 
