Fix documentation formatting

src/sage/algebras/commutative_dga.py

@@ -2268,12 +2268,12 @@ def minimal_model(self, i=3, max_iterations=3):
         INPUT:
 
         - ``i`` -- integer (default: `3`); degree to which the result is
-        required to induce an isomorphism in cohomology, and the domain is
-        required to be minimal.
+          required to induce an isomorphism in cohomology, and the domain is
+          required to be minimal.
 
         - ``max_iterations`` -- integer (default: `3`); the number of
-        iterations of the method at each degree. If the algorithm does not
-        finish in this many iterations at each degree, an error is raised.
+          iterations of the method at each degree. If the algorithm does not
+          finish in this many iterations at each degree, an error is raised.
 
         OUTPUT:
 
@@ -2389,7 +2389,7 @@ def minimal_model(self, i=3, max_iterations=3):
             be finitely generated, you can try to run it again with a higher
             value for ``max_iterations``.
 
-        ..SEEALSO::
+        .. SEEALSO::
 
             :wikipedia:`Rational_homotopy_theory#Sullivan_algebras`
 
@@ -2540,31 +2540,31 @@ def cohomology_algebra(self, max_degree=3):
         INPUT:
 
         - ``max_degree`` -- integer (default: `3`); degree to which the result is required to
-        be isomorphic to self's cohomology.
+          be isomorphic to self's cohomology.
 
         EXAMPLES::
 
-        sage: A.<e1,e2,e3,e4,e5,e6,e7> = GradedCommutativeAlgebra(QQ)
-        sage: d = A.differential({e1:-e1*e6,e2:-e2*e6,e3:-e3*e6,e4:-e5*e6,e5:e4*e6})
-        sage: B = A.cdg_algebra(d)
-        sage: M = B.cohomology_algebra()
-        sage: M
-        Commutative Differential Graded Algebra with generators ('x0', 'x1', 'x2') in degrees (1, 1, 2) over Rational Field with differential:
-           x0 --> 0
-           x1 --> 0
-           x2 --> 0
-        sage: M.cohomology(1)
-        Free module generated by {[x1], [x0]} over Rational Field
-        sage: B.cohomology(1)
-        Free module generated by {[e7], [e6]} over Rational Field
-        sage: M.cohomology(2)
-        Free module generated by {[x0*x1], [x2]} over Rational Field
-        sage: B.cohomology(2)
-        Free module generated by {[e6*e7], [e4*e5]} over Rational Field
-        sage: M.cohomology(3)
-        Free module generated by {[x1*x2], [x0*x2]} over Rational Field
-        sage: B.cohomology(3)
-        Free module generated by {[e4*e5*e7], [e4*e5*e6]} over Rational Field
+            sage: A.<e1,e2,e3,e4,e5,e6,e7> = GradedCommutativeAlgebra(QQ)
+            sage: d = A.differential({e1:-e1*e6,e2:-e2*e6,e3:-e3*e6,e4:-e5*e6,e5:e4*e6})
+            sage: B = A.cdg_algebra(d)
+            sage: M = B.cohomology_algebra()
+            sage: M
+            Commutative Differential Graded Algebra with generators ('x0', 'x1', 'x2') in degrees (1, 1, 2) over Rational Field with differential:
+               x0 --> 0
+               x1 --> 0
+               x2 --> 0
+            sage: M.cohomology(1)
+            Free module generated by {[x1], [x0]} over Rational Field
+            sage: B.cohomology(1)
+            Free module generated by {[e7], [e6]} over Rational Field
+            sage: M.cohomology(2)
+            Free module generated by {[x0*x1], [x2]} over Rational Field
+            sage: B.cohomology(2)
+            Free module generated by {[e6*e7], [e4*e5]} over Rational Field
+            sage: M.cohomology(3)
+            Free module generated by {[x1*x2], [x0*x2]} over Rational Field
+            sage: B.cohomology(3)
+            Free module generated by {[e4*e5*e7], [e4*e5*e6]} over Rational Field
         """
         cohomgens = self.cohomology_generators(max_degree)
         if not cohomgens: