diff --git a/gnu/packages/multiprecision.scm b/gnu/packages/multiprecision.scm
index 4ee316f9a2..3107bbb979 100644
--- a/gnu/packages/multiprecision.scm
+++ b/gnu/packages/multiprecision.scm
@@ -60,11 +60,12 @@
                           (else '())))))
    (synopsis "Multiple-precision arithmetic library")
    (description
-    "GMP is a library for arbitrary precision arithmetic, operating on
-signed integers, rational numbers and floating point numbers.  The precision
-is only limited by the available memory.  The library is highly optimized,
-with a design focus on execution speed.  It is aimed at use in, for example,
-cryptography and computational algebra.")
+    "@dfn{GMP} (the GNU Multiple Precision Arithmetic Library) is a library for
+arbitrary-precision arithmetic, operating on signed integers, rational numbers
+and floating point numbers.  The precision is only limited by the available
+memory.  The library is highly optimized, with a design focus on execution
+speed.  It is aimed at use in, for example, cryptography and computational
+algebra.")
    (license lgpl3+)
    (home-page "https://gmplib.org/")))