all.sh: fix comments

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 5265c93..2685067 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2638,10 +2638,10 @@
 #       - it still disables RSA, but it uses builtin EC and FFDH algs
 #
 # This function accepts 2 parameters:
-# $1: it is a boolean values which states if we are testing an accelerated
-#     scenario or not.
-# $2: it is a string value which states which are the tested components. Allowed
-#     values are "ECC" or "ECC_DH".
+# $1: a boolean value which states if we are testing an accelerated scenario
+#     or not.
+# $2: a string value which states which components are tested. Allowed values
+#     are "ECC" or "ECC_DH".
 config_psa_crypto_config_accel_ecc_ffdh_no_bignum() {
     DRIVER_ONLY="$1"
     TEST_TARGET="$2"
@@ -2712,12 +2712,12 @@
 # - both ECC and FFDH
 #
 # It is meant to be used in conjunction with
-# common_test_psa_crypto_config_reference_ecc_ffdh_no_bignum() for drivers'
-# coverage analysis in "analyze_outcomes.py" script.
+# common_test_psa_crypto_config_reference_ecc_ffdh_no_bignum() for drivers
+# coverage analysis in the "analyze_outcomes.py" script.
 common_test_psa_crypto_config_accel_ecc_ffdh_no_bignum () {
     TEST_TARGET="$1"
 
-    # This is an internal helper to simplify text messages' handling
+    # This is an internal helper to simplify text message handling
     if [ "$TEST_TARGET" = "ECC_DH" ]; then
         ACCEL_TEXT="ECC/FFDH"
         REMOVED_TEXT="ECP - DH"
@@ -2800,7 +2800,7 @@
 common_test_psa_crypto_config_reference_ecc_ffdh_no_bignum () {
     TEST_TARGET="$1"
 
-    # This is an internal helper to simplify text messages' handling
+    # This is an internal helper to simplify text message handling
     if [ "$TEST_TARGET" = "ECC_DH" ]; then
         ACCEL_TEXT="ECC/FFDH"
     else