diff --git a/src/sage/geometry/cone.py b/src/sage/geometry/cone.py
index fd2074676c7..78d0cb0444f 100644
--- a/src/sage/geometry/cone.py
+++ b/src/sage/geometry/cone.py
@@ -987,7 +987,7 @@ def ambient_vector_space(self, base_field=None):
 
         It is the ambient lattice (:meth:`lattice`) tensored with a field.
 
-        INPUT::
+        INPUT:
 
         - ``base_field`` -- (default: the rationals) a field.
 
diff --git a/src/sage/geometry/lattice_polytope.py b/src/sage/geometry/lattice_polytope.py
index bde2f0a6be7..9d42d71f275 100644
--- a/src/sage/geometry/lattice_polytope.py
+++ b/src/sage/geometry/lattice_polytope.py
@@ -2623,7 +2623,7 @@ def ambient_vector_space(self, base_field=None):
 
         It is the ambient lattice (:meth:`lattice`) tensored with a field.
 
-        INPUT::
+        INPUT:
 
         - ``base_field`` -- (default: the rationals) a field.
 
diff --git a/src/sage/geometry/polyhedron/base.py b/src/sage/geometry/polyhedron/base.py
index 82af7e683fc..b9c45c511d1 100644
--- a/src/sage/geometry/polyhedron/base.py
+++ b/src/sage/geometry/polyhedron/base.py
@@ -2487,7 +2487,7 @@ def ambient_vector_space(self, base_field=None):
         It is the ambient free module (:meth:`Vrepresentation_space`) tensored
         with a field.
 
-        INPUT::
+        INPUT:
 
         - ``base_field`` -- (default: the fraction field of the base ring) a field.
 
diff --git a/src/sage/geometry/polyhedron/face.py b/src/sage/geometry/polyhedron/face.py
index 56305d035e8..f5f61047f20 100644
--- a/src/sage/geometry/polyhedron/face.py
+++ b/src/sage/geometry/polyhedron/face.py
@@ -688,7 +688,7 @@ def ambient_vector_space(self, base_field=None):
 
         - ``base_field`` -- (default: the fraction field of the base ring) a field.
 
-        EXAMPLES::
+        EXAMPLES:
 
             sage: half_plane = Polyhedron(ieqs=[(0,1,0)])
             sage: line = half_plane.faces(1)[0]; line