fix suggested details

Author: fchapoton

src/sage/modular/abvar/homology.py

@@ -52,11 +52,11 @@
 #                  https://www.gnu.org/licenses/
 # ****************************************************************************
 
+from sage.categories.commutative_rings import CommutativeRings
 from sage.modular.hecke.module import HeckeModule_free_module
 from sage.rings.integer import Integer
 from sage.rings.integer_ring import ZZ
 from sage.rings.rational_field import QQ
-from sage.categories.commutative_rings import CommutativeRings
 from sage.structure.richcmp import richcmp_method, richcmp, richcmp_not_equal
 
 # TODO: we will probably also need homology that is *not* a Hecke module.
@@ -74,11 +74,9 @@ def hecke_polynomial(self, n, var='x'):
 
         INPUT:
 
+        -  ``n`` -- positive integer
 
-        -  ``n`` - positive integer
-
-        -  ``var`` - string (default: 'x') the variable name
-
+        -  ``var`` -- string (default: 'x') the variable name
 
         OUTPUT: a polynomial over ZZ in the given variable