diff --git a/reference/gmp/functions/gmp-add.xml b/reference/gmp/functions/gmp-add.xml
index ae39afa4eb..7992c0ee0e 100644
--- a/reference/gmp/functions/gmp-add.xml
+++ b/reference/gmp/functions/gmp-add.xml
@@ -26,7 +26,7 @@
a
- A number that will be added.
+ The first summand (augent).
&gmp.parameter;
@@ -35,7 +35,7 @@
b
- A number that will be added.
+ The second summand (addend).
&gmp.parameter;