diff --git a/docs/misc/math-expr.md b/docs/misc/math-expr.md
index fbf705ff973..31a1444d487 100644
--- a/docs/misc/math-expr.md
+++ b/docs/misc/math-expr.md
@@ -35,7 +35,7 @@ This expression language supports the following operators (listed in decreasing
 |*, /, %|Binary multiplicative|
 |+, -|Binary additive|
 |<, <=, >, >=, ==, !=|Binary Comparison|
-|&&, &#124;|Binary Logical AND, OR|
+|&&, &#124;&#124;|Binary Logical AND, OR|
 
 Long, double, and string data types are supported. If a number contains a dot, it is interpreted as a double, otherwise
 it is interpreted as a long. That means, always add a '.' to your number if you want it interpreted as a double value.