diff --git a/docs/modules/ROOT/pages/cops_naming.adoc b/docs/modules/ROOT/pages/cops_naming.adoc
index ab7a3dfc8b3..4c7edf1b29b 100644
--- a/docs/modules/ROOT/pages/cops_naming.adoc
+++ b/docs/modules/ROOT/pages/cops_naming.adoc
@@ -501,7 +501,7 @@ EOS
 | Name | Default value | Configurable values
 
 | ForbiddenDelimiters
-| `(?-mix:(^|\s)(EO[A-Z]{1}|END)(\s|$))`
+| `(?-mix:(^|\s)(EO[A-Z]\{1\}|END)(\s|$))`
 | Array
 |===
 
diff --git a/docs/modules/ROOT/pages/cops_style.adoc b/docs/modules/ROOT/pages/cops_style.adoc
index 9b932705fb3..1f4f68d8a74 100644
--- a/docs/modules/ROOT/pages/cops_style.adoc
+++ b/docs/modules/ROOT/pages/cops_style.adoc
@@ -2084,7 +2084,7 @@ an offense is reported.
 | Name | Default value | Configurable values
 
 | Notice
-| `^Copyright (\(c\) )?2[0-9]{3} .+`
+| `^Copyright (\(c\) )?2[0-9]\{3\} .+`
 | String
 
 | AutocorrectNotice
@@ -12474,8 +12474,8 @@ array of 2 or fewer elements.
 | Integer
 
 | WordRegex
-| `(?-mix:\A(?:\p{Word}|\p{Word}-\p{Word}|\n|\t)+\z)`
-| 
+| `(?-mix:\A(?:\p\{Word\}|\p\{Word\}-\p\{Word\}|\n|\t)+\z)`
+|
 |===
 
 === References
diff --git a/docs/modules/ROOT/pages/development.adoc b/docs/modules/ROOT/pages/development.adoc
index af18971c69e..9fac8348183 100644
--- a/docs/modules/ROOT/pages/development.adoc
+++ b/docs/modules/ROOT/pages/development.adoc
@@ -271,8 +271,8 @@ describe RuboCop::Cop::Style::SimplifyNotEmptyWithAny, :config do
 end
 ----
 
-If your code has variables of different lengths, you can use `%{foo}`,
-`^{foo}`, and `_{foo}` to format your template; you can also abbreviate
+If your code has variables of different lengths, you can use `%\{foo\}`,
+`^\{foo\}`, and `_\{foo\}` to format your template; you can also abbreviate
 offense messages with `[...]`:
 
 [source,ruby]