diff --git a/libraries/base/diag/diag.peripheral.yaml b/libraries/base/diag/diag.peripheral.yaml
index 5b08639994c1b375cac2f69b34e3eb31db133df2..6369308df94344a9e2cf815b0101a55d468ad42f 100644
--- a/libraries/base/diag/diag.peripheral.yaml
+++ b/libraries/base/diag/diag.peripheral.yaml
@@ -67,7 +67,7 @@ peripherals:
       - { name: g_nof_streams, value: 1 }
       - { name: g_data_w, value: 16 }
       - { name: g_nof_data, value: 1024 }
-      - { name: g_use_in_sync, value: true }
+      - { name: g_use_in_sync, value: True }
     slave_ports:                            
       # MM port for mms_diag_data_buffer.vhd
       - slave_name: REG_DIAG_DB
@@ -85,7 +85,7 @@ peripherals:
               address_offset: 0x4
       # MM port for mms_diag_data_buffer.vhd
       - slave_name: RAM_DIAG_DB
-        slave_description: "Data buffer memory, gets filled after the sync when g_use_in_sync = true, else after the last word was read."
+        slave_description: "Data buffer memory, gets filled after the sync when g_use_in_sync = True, else after the last word was read."
         slave_type: RAM
         number_of_slaves: g_nof_streams
         fields:
diff --git a/libraries/dsp/st/st.peripheral.yaml b/libraries/dsp/st/st.peripheral.yaml
index de1db29e293af5ad8cfe985e8be72bcb3e42596b..47eb5a504d8363a2799af9e672c3f7145710085e 100644
--- a/libraries/dsp/st/st.peripheral.yaml
+++ b/libraries/dsp/st/st.peripheral.yaml
@@ -9,14 +9,14 @@ peripherals:
   - peripheral_name: st_sst  # pi_st_sst.py
     peripheral_description: |
        "Accumulate the signal power values during a sync interval:
-        . g_xst_enable = false : Auto power statistics for subbands (SST), beamlets (BST)
-        . g_xst_enable = true : Cross power statistics for subbands = crosslets (XST)."
+        . g_xst_enable = False : Auto power statistics for subbands (SST), beamlets (BST)
+        . g_xst_enable = True : Cross power statistics for subbands = crosslets (XST)."
     parameters:
       # Parameters of pi_st_sst.py
       - { name: g_nof_instances, value: 1 }
       # Parameters of st_sst.vhd
       - { name: g_nof_stat, value: 512 }  # nof accumulators
-      - { name: g_xst_enable, value: false }  # false for auto powers, true for cross powers
+      - { name: g_xst_enable, value: False }  # False for auto powers, True for cross powers
       - { name: g_stat_data_w, value: 64 }  # statistics accumulator width in bits
       - { name: g_stat_data_sz, value: 2 }  # statistics accumulator width in 32b MM words
     slave_ports:                            
@@ -26,8 +26,8 @@ peripherals:
            "The statistics are calculated for blocks of g_nof_stat time multiplexed data streams.
             There are g_nof_instances parallel time multiplexed data streams.
             The statistic power values have g_stat_data_w bits. The memory format is:
-            . g_xst_enable = false, for real powers : (uint32 * g_stat_data_sz)st[g_nof_instances]_[g_nof_stat]
-            . g_xst_enable = true, for complex powers : (cuint32 * g_stat_data_sz)st[g_nof_instances]_[g_nof_stat]"
+            . g_xst_enable = False, for real powers : (uint32 * g_stat_data_sz)st[g_nof_instances]_[g_nof_stat]
+            . g_xst_enable = True, for complex powers : (cuint32 * g_stat_data_sz)st[g_nof_instances]_[g_nof_stat]"
         slave_type: RAM
         number_of_slaves: g_nof_instances
         fields:
diff --git a/libraries/io/aduh/aduh.peripheral.yaml b/libraries/io/aduh/aduh.peripheral.yaml
index 6d8ab929cf20183d2c5dd4d88812fb4be2f7cf61..403480b22f33ef9c1c4ce2b7d3de47612b93ded6 100644
--- a/libraries/io/aduh/aduh.peripheral.yaml
+++ b/libraries/io/aduh/aduh.peripheral.yaml
@@ -43,12 +43,12 @@ peripherals:
       - { name: g_symbol_w, value: 16 }
       - { name: g_nof_symbols_per_data, value: 1 }
       - { name: g_buffer_nof_symbols, value: 512 }
-      - { name: g_buffer_use_sync, value: true }
+      - { name: g_buffer_use_sync, value: True }
     slave_ports:
       # MM port for mms_aduh_monitor_arr.vhd
       - slave_name: RAM_ADUH_MON
         slave_type: RAM
-        slave_description: "Data buffer memory, gets filled after the sync when g_buffer_use_sync = true, else after the last word was read."
+        slave_description: "Data buffer memory, gets filled after the sync when g_buffer_use_sync = True, else after the last word was read."
         number_of_slaves: g_nof_streams
         fields:
           - - field_name: data