diff --git a/reference/5.1/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md b/reference/5.1/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
index 386cca8e2b48..6ddd47998d97 100644
--- a/reference/5.1/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
+++ b/reference/5.1/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
@@ -214,7 +214,7 @@ To read more about these options and how to use them, visit the
 The backslash (`\`) is used to escape characters so they aren't parsed by the
 regular expression engine.
 
-The following characters are reserved: `[]().\^$|?*+{}`.
+The following characters are reserved: `[().\^$|?*+{`.
 
 You'll need to escape these characters in your patterns to match them in your
 input strings.
diff --git a/reference/7.4/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md b/reference/7.4/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
index cb05b0b19615..255b1d3bb923 100644
--- a/reference/7.4/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
+++ b/reference/7.4/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
@@ -214,7 +214,7 @@ To read more about these options and how to use them, visit the
 The backslash (`\`) is used to escape characters so they aren't parsed by the
 regular expression engine.
 
-The following characters are reserved: `[]().\^$|?*+{}`.
+The following characters are reserved: `[().\^$|?*+{`.
 
 You'll need to escape these characters in your patterns to match them in your
 input strings.
diff --git a/reference/7.5/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md b/reference/7.5/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
index 4eb93905846e..0cbcc60fa477 100644
--- a/reference/7.5/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
+++ b/reference/7.5/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
@@ -215,7 +215,7 @@ To read more about these options and how to use them, visit the
 The backslash (`\`) is used to escape characters so they aren't parsed by the
 regular expression engine.
 
-The following characters are reserved: `[]().\^$|?*+{}`.
+The following characters are reserved: `[().\^$|?*+{`.
 
 You'll need to escape these characters in your patterns to match them in your
 input strings.