doc update

dmlc · May 12, 2020 · ae56100 · ae56100
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commit ae56100
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diff --git a/doc/parameter.rst b/doc/parameter.rst
@@ -225,6 +225,13 @@ Parameters for Tree Booster
     list is a group of indices of features that are allowed to interact with each other.
     See tutorial for more information
 
+Additional parameters for `hist` tree method
+================================================
+
+* ``single_precision_histogram``, [default=``false``]
+
+  - The experimental parameter single_precision_histogram can be set to True to enable building histograms using single precision.
+
 Additional parameters for `gpu_hist` tree method
 ================================================