minor docstring rewriting of factory

sagemath · Sep 20, 2015 · a54b4af · a54b4af
1 parent 30f7058
commit a54b4af
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/src/sage/symbolic/subring.py b/src/sage/symbolic/subring.py
@@ -77,13 +77,16 @@ class SymbolicSubringFactory(UniqueFactory):
 
     INPUT:
 
+    Choose one of the following keywords to create a subring.
+
     - ``accepting_variables`` (default: ``None``) -- a tuple or other
-      iterable of variables. If specified, then a symbolic subring of expressions
-      in only these variables is created.
+      iterable of variables. If specified, then a symbolic subring of
+      expressions in only these variables is created.
 
     - ``rejecting_variables`` (default: ``None``) -- a tuple or other
-      iterable of variables. If specified, then a symbolic subring of expressions
-      in variables not distinct of these variables is created.
+      iterable of variables. If specified, then a symbolic subring of
+      expressions in variables not distinct of these variables is
+      created.
 
     - ``only_constants`` (default: ``False``) -- a boolean. If set,
       then a symbolic subring of constant expressions (i.e.,