Fix references to non-existent functions

Author: pulkkins

doc/source/timeseries.rst

@@ -13,7 +13,8 @@ pysteps\.timeseries\.autoregression
 .. currentmodule:: pysteps.timeseries.autoregression
 
 .. autosummary::
-    adjust_lag2_corrcoef
+    adjust_lag2_corrcoef1
+    adjust_lag2_corrcoef2
     estimate_ar_params_yw
     iterate_ar_model
 

doc/source/verification.rst

@@ -33,8 +33,8 @@ pysteps\.verification\.ensscores
 .. currentmodule:: pysteps.verification.ensscores
 
 .. autosummary::
-    ensemble_fss_skill
-    ensemble_fss_spread
+    ensemble_skill
+    ensemble_spread
     rankhist_init
     rankhist_accum
     rankhist_compute
@@ -78,7 +78,7 @@ pysteps\.verification\.spatialscores
 .. currentmodule:: pysteps.verification.spatialscores
 
 .. autosummary::
-    compute_fss
+    fss
 
 .. automodule:: pysteps.verification.spatialscores
     :members: