Fix more typos

Author: simon-king-jena

src/sage/categories/homset.py

@@ -938,14 +938,14 @@ class of ``C`` will be inherited by *all* subcategories of
 
         EXAMPLES:
 
-        Let's take a homset of finite commutative group as example; at
+        Let's take a homset of finite commutative groups as example; at
         this point this is the simplest one to create (gosh)::
 
             sage: cat = Groups().Finite().Commutative()
             sage: C3 = PermutationGroup([(1,2,3)])
-            sage: C3._refine_category_(Groups().Finite().Commutative())
+            sage: C3._refine_category_(cat)
             sage: C2 = PermutationGroup([(1,2)])
-            sage: C2._refine_category_(Groups().Finite().Commutative())
+            sage: C2._refine_category_(cat)
             sage: H = Hom(C3, C2, cat)
             sage: H.homset_category()
             Category of finite commutative groups

src/sage/categories/homsets.py

@@ -135,10 +135,10 @@ class HomsetsOf(HomsetsCategory):
     Default class for homsets of a category.
 
     This is used when a category `C` defines some additional structure
-    but not an homset category of its own. Indeed, unlike for
-    covariant functorial constructions, we cannot represent the homset
-    category of `C` by just the join of the homset categories of its
-    super categories.
+    but not a homset category of its own. Indeed, unlike for covariant
+    functorial constructions, we cannot represent the homset category
+    of `C` by just the join of the homset categories of its super
+    categories.
 
     EXAMPLES::