change cumbo to combo

multimodal/boosting/combo.py

@@ -41,7 +41,7 @@
 # ######### COPYRIGHT #########
 r"""
 
-This module contains a **Mu**\ lti\ **C**\ onfusion **M**\ Matrix **B**\ osting (**CuMBo**)
+This module contains a **Mu**\ lti\ **C**\ onfusion **M**\ Matrix **B**\ osting (**CoMBo**)
 estimator for classification implemented in the ``MuComboClassifier`` class.
 """