Fix comments

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/scripts/mbedtls_dev/ecp.py b/scripts/mbedtls_dev/ecp.py
index 0afeca6..1c03205 100644
--- a/scripts/mbedtls_dev/ecp.py
+++ b/scripts/mbedtls_dev/ecp.py
@@ -28,7 +28,7 @@
 
 class EcpP192R1Raw(bignum_common.ModOperationCommon,
                    EcpTarget):
-    """Test cases for ecp quasi_reduction()."""
+    """Test cases for ECP P192 fast reduction."""
     symbol = "-"
     test_function = "ecp_mod_p192_raw"
     test_name = "ecp_mod_p192_raw"
@@ -99,7 +99,7 @@
 
 class EcpP224R1Raw(bignum_common.ModOperationCommon,
                    EcpTarget):
-    """Test cases for ecp quasi_reduction()."""
+    """Test cases for ECP P224 fast reduction."""
     symbol = "-"
     test_function = "ecp_mod_p224_raw"
     test_name = "ecp_mod_p224_raw"
@@ -250,7 +250,7 @@
 
 class EcpP384R1Raw(bignum_common.ModOperationCommon,
                    EcpTarget):
-    """Test cases for ecp quasi_reduction modulo p384."""
+    """Test cases for ECP P384 fast reduction."""
     test_function = "ecp_mod_p384_raw"
     test_name = "ecp_mod_p384_raw"
     input_style = "fixed"
@@ -366,7 +366,7 @@
 
 class EcpP521R1Raw(bignum_common.ModOperationCommon,
                    EcpTarget):
-    """Test cases for ecp quasi_reduction()."""
+    """Test cases for ECP P521 fast reduction."""
     test_function = "ecp_mod_p521_raw"
     test_name = "ecp_mod_p521_raw"
     input_style = "arch_split"