diff --git a/src/integers/integer_literals.md b/src/integers/integer_literals.md
index 74b76fe0..16a59c08 100644
--- a/src/integers/integer_literals.md
+++ b/src/integers/integer_literals.md
@@ -11,3 +11,11 @@ We call them this because the integer is literally written down in the program.
 ```java
 int trueCrime = 789;
 ```
+
+For longer literals, consider using underscores (i.e. '_') to separate parts of the number
+
+```java
+int oneMillion = 1_000_000;
+```
+
+This also works not just in decimal but also in binary, octal, and hexadecimal literals.