diff --git a/Documentation/Operator list.md b/Documentation/Operator list.md
index 88fb235..6dfd8f1 100644
--- a/Documentation/Operator list.md
+++ b/Documentation/Operator list.md
@@ -222,8 +222,14 @@ Operators are listed in ASCII order. See also the [precedence table](https://git
aPUb
Push item to front of iterable (modifying argument in-place)
+PZa
Palindromize iterable, appending its reverse but without repeating the central item
+
aQb
String equal
+QP
Quad-palindromize iterable, palindromizing it and also each of its items
+
+QR
Quad-reflect iterable, reflecting it and also each of its items
+
aRbc
Replace each occurrence in Scalar `a` of substring or Pattern `b` with replacement `c`
aRAbc
Replace item in iterable `a` at index `b` with replacement `c`
@@ -232,6 +238,8 @@ Operators are listed in ASCII order. See also the [precedence table](https://git
RDa
Convert degrees to radians
+RFa
Reflect iterable, appending its reverse
+
aRLb
Repeat List `a` `b` times
aRMb
From Scalar remove substring(s) or regex matches; from List or Range remove item