Cosmetic: pcu: fix GprsMS count comment

Related: SYS#4878
Change-Id: Ic11abb330eccf8572a95ddb7e7c59c57b018a713
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 88893ec..c23e58c 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -6004,7 +6004,7 @@
 	f_PCUIF_PDCHMask_set(info_ind, '11111111'B, 0);
 	f_PCUIF_PDCHMask_set(info_ind, '00000000'B, (1 .. 7));
 
-	/* Allocate 17 GprsMS instances */
+	/* Allocate 4 GprsMS instances */
 	f_init_gprs_ms(4);
 
 	/* Initialize the PCU interface abstraction */