Improve statement in driver-only-builds.md

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/docs/driver-only-builds.md b/docs/driver-only-builds.md
index 277c5e3..4e2d68f 100644
--- a/docs/driver-only-builds.md
+++ b/docs/driver-only-builds.md
@@ -145,9 +145,9 @@
 
 ### Limitations regarding the selection of curves
 
-There is an ongoing work which tries to establish a link/constrain between
-the list of supported curves and supported algorithms both in the builtin and
-PSA sides. In particular:
+There is ongoing work which is trying to establish the links and constraints
+between the list of supported curves and supported algorithms both in the
+builtin and PSA sides. In particular:
 
 - #8014 ensures that the curves supported on the PSA side (`PSA_WANT_ECC_xxx`)
   are always a superset of the builtin ones (`MBEDTLS_ECP_DP_xxx`)