Fix FP_PDN_MACRO_HOOKS

openlane/user_project_wrapper/config.json

diff --git a/openlane/user_project_wrapper/config.json b/openlane/user_project_wrapper/config.json
index dbbea9e..fa6e95a 100644
--- a/openlane/user_project_wrapper/config.json
+++ b/openlane/user_project_wrapper/config.json
@@ -4,11 +4,11 @@
     "CLOCK_PERIOD": 20,
     "CLOCK_PORT": "user_clock2",
     "FP_PDN_MACRO_HOOKS": [
-        "wfg_top_inst                            vccd1 vssd1 vccd1 vssd1",
-        "merge_memory_inst                       vccd1 vssd1 vccd1 vssd1",
-        "wb_mux_inst                             vccd1 vssd1 vccd1 vssd1",
-        "wb_memory_inst                          vccd1 vssd1 vccd1 vssd1",
-        "sky130_sram_2kbyte_1rw1r_32x512_8_inst0 vccd1 vssd1 vccd1 vssd1",
+        "wfg_top_inst                            vccd1 vssd1 vccd1 vssd1,",
+        "merge_memory_inst                       vccd1 vssd1 vccd1 vssd1,",
+        "wb_mux_inst                             vccd1 vssd1 vccd1 vssd1,",
+        "wb_memory_inst                          vccd1 vssd1 vccd1 vssd1,",
+        "sky130_sram_2kbyte_1rw1r_32x512_8_inst0 vccd1 vssd1 vccd1 vssd1,",
         "sky130_sram_2kbyte_1rw1r_32x512_8_inst1 vccd1 vssd1 vccd1 vssd1"
     ],
     "MACRO_PLACEMENT_CFG": "dir::macro.cfg",