diff --git a/data/registers/rcc_f1.yaml b/data/registers/rcc_f1.yaml
index 77ea7b2..57fd23e 100644
--- a/data/registers/rcc_f1.yaml
+++ b/data/registers/rcc_f1.yaml
@@ -662,10 +662,10 @@ enum/ADCPRE:
       description: PCLK2 divided by 4
       value: 1
     - name: Div6
-      description: PCLK2 divided by 8
+      description: PCLK2 divided by 6
       value: 2
     - name: Div8
-      description: PCLK2 divided by 16
+      description: PCLK2 divided by 8
       value: 3
 enum/HPRE:
   bit_size: 4
diff --git a/data/registers/rcc_f100.yaml b/data/registers/rcc_f100.yaml
index aaf80b7..6caf3a9 100644
--- a/data/registers/rcc_f100.yaml
+++ b/data/registers/rcc_f100.yaml
@@ -633,10 +633,10 @@ enum/ADCPRE:
       description: PCLK2 divided by 4
       value: 1
     - name: Div6
-      description: PCLK2 divided by 8
+      description: PCLK2 divided by 6
       value: 2
     - name: Div8
-      description: PCLK2 divided by 16
+      description: PCLK2 divided by 8
       value: 3
 enum/HPRE:
   bit_size: 4
diff --git a/data/registers/rcc_f1cl.yaml b/data/registers/rcc_f1cl.yaml
index bcdb5e9..2512e2d 100644
--- a/data/registers/rcc_f1cl.yaml
+++ b/data/registers/rcc_f1cl.yaml
@@ -687,10 +687,10 @@ enum/ADCPRE:
       description: PCLK2 divided by 4
       value: 1
     - name: Div6
-      description: PCLK2 divided by 8
+      description: PCLK2 divided by 6
       value: 2
     - name: Div8
-      description: PCLK2 divided by 16
+      description: PCLK2 divided by 8
       value: 3
 enum/HPRE:
   bit_size: 4