Update documentation following review comment
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/library/bignum_core.h b/library/bignum_core.h
index 8cc985e..084af74 100644
--- a/library/bignum_core.h
+++ b/library/bignum_core.h
@@ -282,7 +282,7 @@
*
* Calculates `A + B` where `A` and `B` have the same size.
*
- * This function operates modulo 2^(biL*limbs) and returns the carry
+ * This function operates modulo `2^(biL*limbs)` and returns the carry
* (1 if there was a wraparound, and 0 otherwise).
*
* \p X may be aliased to \p A or \p B.