diff --git a/docs/Changelog.md b/docs/Changelog.md
index 87758761ad9..afeb3331fd2 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -7150,7 +7150,7 @@ This version of the operator has been available since version 7 of the default O
 <dt><tt>X</tt> : T</dt>
 <dd>Input tensor</dd>
 <dt><tt>slope</tt> : T</dt>
-<dd>Slope tensor. The shape of slope can be smaller then first input X; if so, its shape must be unidirectional broadcastable to X</dd>
+<dd>Slope tensor. The shape of slope can be smaller than first input X; if so, its shape must be unidirectional broadcastable to X</dd>
 </dl>
 
 #### Outputs
@@ -8746,7 +8746,7 @@ This version of the operator has been available since version 9 of the default O
 <dt><tt>X</tt> (differentiable) : T</dt>
 <dd>Input tensor</dd>
 <dt><tt>slope</tt> (differentiable) : T</dt>
-<dd>Slope tensor. The shape of slope can be smaller then first input X; if so, its shape must be unidirectional broadcastable to X</dd>
+<dd>Slope tensor. The shape of slope can be smaller than first input X; if so, its shape must be unidirectional broadcastable to X</dd>
 </dl>
 
 #### Outputs
@@ -20319,7 +20319,7 @@ This version of the operator has been available since version 16 of the default
 <dt><tt>X</tt> (differentiable) : T</dt>
 <dd>Input tensor</dd>
 <dt><tt>slope</tt> (differentiable) : T</dt>
-<dd>Slope tensor. The shape of slope can be smaller then first input X; if so, its shape must be unidirectional broadcastable to X</dd>
+<dd>Slope tensor. The shape of slope can be smaller than first input X; if so, its shape must be unidirectional broadcastable to X</dd>
 </dl>
 
 #### Outputs
diff --git a/docs/Operators.md b/docs/Operators.md
index 6526228b05f..1e2eb08671c 100644
--- a/docs/Operators.md
+++ b/docs/Operators.md
@@ -18071,7 +18071,7 @@ Other versions of this operator: <a href="Changelog.md#PRelu-1">1</a>, <a href="
 <dt><tt>X</tt> (differentiable) : T</dt>
 <dd>Input tensor</dd>
 <dt><tt>slope</tt> (differentiable) : T</dt>
-<dd>Slope tensor. The shape of slope can be smaller then first input X; if so, its shape must be unidirectional broadcastable to X</dd>
+<dd>Slope tensor. The shape of slope can be smaller than first input X; if so, its shape must be unidirectional broadcastable to X</dd>
 </dl>
 
 #### Outputs
diff --git a/onnx/defs/math/defs.cc b/onnx/defs/math/defs.cc
index bc3d95ac07f..f9ba01ddbaa 100644
--- a/onnx/defs/math/defs.cc
+++ b/onnx/defs/math/defs.cc
@@ -707,7 +707,7 @@ ONNX_OPERATOR_SET_SCHEMA(
         .Input(
             1,
             "slope",
-            "Slope tensor. The shape of slope can be smaller then first input X; "
+            "Slope tensor. The shape of slope can be smaller than first input X; "
             "if so, its shape must be unidirectional broadcastable to X",
             "T",
             OpSchema::Single,
diff --git a/onnx/defs/math/old.cc b/onnx/defs/math/old.cc
index 959f96291ab..a3b3d04b944 100644
--- a/onnx/defs/math/old.cc
+++ b/onnx/defs/math/old.cc
@@ -2081,7 +2081,7 @@ ONNX_OPERATOR_SET_SCHEMA(
         .Input(
             1,
             "slope",
-            "Slope tensor. The shape of slope can be smaller then first input X; "
+            "Slope tensor. The shape of slope can be smaller than first input X; "
             "if so, its shape must be unidirectional broadcastable to X",
             "T")
         .Output(0, "Y", "Output tensor (same size as X)", "T")
@@ -2935,7 +2935,7 @@ ONNX_OPERATOR_SET_SCHEMA(
         .Input(
             1,
             "slope",
-            "Slope tensor. The shape of slope can be smaller then first input X; "
+            "Slope tensor. The shape of slope can be smaller than first input X; "
             "if so, its shape must be unidirectional broadcastable to X",
             "T",
             OpSchema::Single,