fix old references to load_ifo

gwinc/__init__.py

@@ -94,8 +94,8 @@ def gwinc(freq, ifo, source=None, plot=False, PRfixed=True):
     """Calculate strain noise budget for a specified interferometer model.
 
     Argument `freq` is the frequency array for which the noises will
-    be calculated, and `ifoin` is the IFO model (see the `load_ifo()`
-    function).
+    be calculated, and `ifo` is the IFO model (see the `load_budget()`
+    function).  The nominal 'aLIGO' budget structure will be used.
 
     If `source` structure provided, so evaluates the sensitivity of
     the detector to several potential gravitational wave

gwinc/__main__.py

@@ -117,8 +117,8 @@ def main():
         if not ifo:
             parser.exit(2, "no IFO structure available.")
         fmt = '{:30} {:>20} {:>20}'
-        Budget = load_ifo(args.diff)
-        diffs = ifo.diff(ifoo)
+        Budget = load_budget(args.diff)
+        diffs = ifo.diff(Budget.ifo)
         if diffs:
             print(fmt.format('', args.IFO, args.diff))
             for p in diffs: