diff --git a/.gitignore b/.gitignore
index 064cd6a..411a004 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 
 .DS_Store
-__pycache__
\ No newline at end of file
+__pycache__
+doc/~*.*
diff --git a/custom_components/solax_http/manifest.json b/custom_components/solax_http/manifest.json
index 81d0904..8f23e7d 100644
--- a/custom_components/solax_http/manifest.json
+++ b/custom_components/solax_http/manifest.json
@@ -10,5 +10,5 @@
   "name": "SolaX HTTP API",
   "requirements": [],
   "issue_tracker": "https://github.com/PatrikTrestik/homeassistant-solax-http/issues",
-  "version": "1.2.7"
+  "version": "1.2.8"
 }
diff --git a/custom_components/solax_http/translations/cs.json b/custom_components/solax_http/translations/cs.json
index 3819ac2..20d8f83 100644
--- a/custom_components/solax_http/translations/cs.json
+++ b/custom_components/solax_http/translations/cs.json
@@ -6,7 +6,7 @@
         "data": {
           "name": "The prefix to be used for sensors",
           "host": "The IP-address of your SolaX in LAN",
-          "serial_number": "HTTP API password (SN)",
+          "serial_number": "EV Charger API password (default is Reg.No.)",
           "scan_interval": "The polling frequency of the Http API in seconds"
         }
       }
@@ -27,7 +27,7 @@
         "data": {
           "name": "The prefix to be used for sensors",
           "host": "The IP-address of your SolaX in LAN",
-          "serial_number": "HTTP API password (SN)",
+          "serial_number": "EV Charger API password (default is Reg.No.)",
           "scan_interval": "The polling frequency of the Http API in seconds"
         }
       }
diff --git a/custom_components/solax_http/translations/en.json b/custom_components/solax_http/translations/en.json
index 3819ac2..20d8f83 100644
--- a/custom_components/solax_http/translations/en.json
+++ b/custom_components/solax_http/translations/en.json
@@ -6,7 +6,7 @@
         "data": {
           "name": "The prefix to be used for sensors",
           "host": "The IP-address of your SolaX in LAN",
-          "serial_number": "HTTP API password (SN)",
+          "serial_number": "EV Charger API password (default is Reg.No.)",
           "scan_interval": "The polling frequency of the Http API in seconds"
         }
       }
@@ -27,7 +27,7 @@
         "data": {
           "name": "The prefix to be used for sensors",
           "host": "The IP-address of your SolaX in LAN",
-          "serial_number": "HTTP API password (SN)",
+          "serial_number": "EV Charger API password (default is Reg.No.)",
           "scan_interval": "The polling frequency of the Http API in seconds"
         }
       }
diff --git a/doc/Mapping.xlsx b/doc/Mapping.xlsx
index 0f56645..baca0a1 100644
Binary files a/doc/Mapping.xlsx and b/doc/Mapping.xlsx differ