diff --git a/doc/manual/expressions/language-operators.xml b/doc/manual/expressions/language-operators.xml
index a3323ced4..f1f750934 100644
--- a/doc/manual/expressions/language-operators.xml
+++ b/doc/manual/expressions/language-operators.xml
@@ -40,6 +40,11 @@ weakest binding).
Call function e1 with
argument e2.
+
+ - e
+ none
+ Arithmetic negation.
+
e ?
attrpath
@@ -55,13 +60,24 @@ weakest binding).
List concatenation.
- e1 + e2
+
+ e1 * e2,
+ e1 / e2
+
left
- String or path concatenation.
+ Arithmetic multiplication and division.
+
+
+
+ e1 + e2,
+ e1 - e2
+
+ left
+ Arithmetic addition and subtraction. String or path concatenation (only by +).
! e
- left
+ none
Boolean negation.
@@ -75,16 +91,22 @@ weakest binding).
attributes).
- e1 ==
- e2
+
+ e1 < e2,
+ e1 > e2,
+ e1 <= e2,
+ e1 >= e2
+
none
- Equality.
+ Arithmetic comparison.
- e1 !=
- e2
+
+ e1 == e2,
+ e1 != e2
+
none
- Inequality.
+ Equality and inequality.
e1 &&