[docs] fixed typo in parameter list Parameters.rst (#1511)

* fixed typo in parameter list Parameters.rst

fixed typo from contributs to contributes

* Update config.h

docs/Parameters.rst

@@ -589,7 +589,7 @@ IO Parameters
 
    -  used only in ``prediction`` task
 
-   -  set this to ``true`` to estimate `SHAP values <https://arxiv.org/abs/1706.06060>`__, which represent how each feature contributs to each prediction
+   -  set this to ``true`` to estimate `SHAP values <https://arxiv.org/abs/1706.06060>`__, which represent how each feature contributes to each prediction
 
    -  produces ``#features + 1`` values where the last value is the expected value of the model output over the training data
 

include/LightGBM/config.h

@@ -546,7 +546,7 @@ public:
 
   // alias = is_predict_contrib, contrib
   // desc = used only in ``prediction`` task
-  // desc = set this to ``true`` to estimate `SHAP values <https://arxiv.org/abs/1706.06060>`__, which represent how each feature contributs to each prediction
+  // desc = set this to ``true`` to estimate `SHAP values <https://arxiv.org/abs/1706.06060>`__, which represent how each feature contributes to each prediction
   // desc = produces ``#features + 1`` values where the last value is the expected value of the model output over the training data
   bool predict_contrib = false;