Remove stale comment, and fix whitespace issue

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/library/bignum.c b/library/bignum.c
index d5e799e..3fa6a3b 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1545,9 +1545,6 @@
     return( 0 );
 }
 
-/*
- * Fast Montgomery initialization (thanks to Tom St Denis)
- */
 static void mpi_montg_init( mbedtls_mpi_uint *mm, const mbedtls_mpi *N )
 {
     *mm = mbedtls_mpi_montg_init( N->p );
diff --git a/tests/suites/test_suite_mpi.function b/tests/suites/test_suite_mpi.function
index dcc869f..40c302b 100644
--- a/tests/suites/test_suite_mpi.function
+++ b/tests/suites/test_suite_mpi.function
@@ -2008,7 +2008,7 @@
      * The data file contains the expected result for sizeof(mbedtls_mpi_uint) == 8;
      * for sizeof(mbedtls_mpi_uint) == 4 it's just the LSW of this.
      */
-    TEST_ASSERT( mm.n == 1  || mm.n == 2);
+    TEST_ASSERT( mm.n == 1  || mm.n == 2 );
 
     /* All of the inputs are +ve (or zero) */
     TEST_EQUAL( N.s, 1 );