diff --git a/doc/classes/SpinBox.xml b/doc/classes/SpinBox.xml
index c8ba8ab697b..e674ceb57ea 100644
--- a/doc/classes/SpinBox.xml
+++ b/doc/classes/SpinBox.xml
@@ -45,7 +45,7 @@
Adds the specified [code]prefix[/code] string before the numerical value of the [SpinBox].
- Adds the specified [code]prefix[/code] string after the numerical value of the [SpinBox].
+ Adds the specified [code]suffix[/code] string after the numerical value of the [SpinBox].