diff --git a/pandas/errors/__init__.py b/pandas/errors/__init__.py
index 3e4f116953cb3..3f19c3525a00c 100644
--- a/pandas/errors/__init__.py
+++ b/pandas/errors/__init__.py
@@ -540,6 +540,8 @@ class CategoricalConversionWarning(Warning):
 class LossySetitemError(Exception):
     """
     Raised when trying to do a __setitem__ on an np.ndarray that is not lossless.
+
+    Should not be raised by the public API.
     """
 
 
@@ -552,6 +554,8 @@ class NoBufferPresent(Exception):
 class InvalidComparison(Exception):
     """
     Exception is raised by _validate_comparison_value to indicate an invalid comparison.
+
+    Should not be raised by the public API.
     """