Fix description

bunch_pattern.py

@@ -19,7 +19,7 @@ def extractBunchPattern(bp_table=None, key='sase3', runDir=None):
             bp_table: DataArray corresponding to the mnemonics "bunchPatternTable".
                       If None, the bunch pattern table is loaded using runDir.
             key: str, ['sase1', 'sase2', 'sase3', 'scs_ppl']
-            runDir: karabo_data run directory. Required only if bp_table is None.
+            runDir: extra-data DataCollection. Required only if bp_table is None.
             
         Outputs:
             bunchPattern: DataArray containing indices of the sase/laser pulses for 
@@ -214,4 +214,4 @@ def sortBAMdata(data, key='sase3'):
     ndata = xr.merge(mergeList, join='inner')
     for k in data.attrs.keys():
         ndata.attrs[k] = data.attrs[k]
-    return ndata
+    return ndata
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