diff --git a/xml/System/Char.xml b/xml/System/Char.xml
index 5494eef10f8..b6b10ba0358 100644
--- a/xml/System/Char.xml
+++ b/xml/System/Char.xml
@@ -1436,9 +1436,9 @@ This method determines whether the character is in the range '0' through '9', in
       </Parameters>
       <Docs>
         <param name="c">The character to evaluate.</param>
-        <summary>Indicates whether a character is categorized as an ASCII hexademical digit.</summary>
+        <summary>Indicates whether a character is categorized as an ASCII hexadecimal digit.</summary>
         <returns>
-          <see langword="true" /> if <paramref name="c" /> is a hexademical digit; otherwise, <see langword="false" />.</returns>
+          <see langword="true" /> if <paramref name="c" /> is a hexadecimal digit; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[
 
@@ -1481,9 +1481,9 @@ This method determines whether the character is in the range '0' through '9', in
       </Parameters>
       <Docs>
         <param name="c">The character to evaluate.</param>
-        <summary>Indicates whether a character is categorized as an ASCII lower-case hexademical digit.</summary>
+        <summary>Indicates whether a character is categorized as an ASCII lower-case hexadecimal digit.</summary>
         <returns>
-          <see langword="true" /> if <paramref name="c" /> is a lower-case hexademical digit; otherwise, <see langword="false" />.</returns>
+          <see langword="true" /> if <paramref name="c" /> is a lower-case hexadecimal digit; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[
 
@@ -1526,9 +1526,9 @@ This determines whether the character is in the range '0' through '9', inclusive
       </Parameters>
       <Docs>
         <param name="c">The character to evaluate.</param>
-        <summary>Indicates whether a character is categorized as an ASCII upper-case hexademical digit.</summary>
+        <summary>Indicates whether a character is categorized as an ASCII upper-case hexadecimal digit.</summary>
         <returns>
-          <see langword="true" /> if <paramref name="c" /> is a hexademical digit; otherwise, <see langword="false" />.</returns>
+          <see langword="true" /> if <paramref name="c" /> is a hexadecimal digit; otherwise, <see langword="false" />.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[