qtplasmac: fix updater typo, document update_log.txt

Author: snowgoer540

docs/src/plasma/qtplasmac.adoc

@@ -605,6 +605,8 @@ After running a new configuration for the first time the following files will be
 |===
 |Filename                    |Function
 |<machine_name>_material.cfg |File for storing the material settings from the MATERIAL section of the <<plasma:parameters-tab,PARAMETERS Tab>>.
+|update_log.txt              |File for storing log of major updates. +
+                              Major updates are those that make any modification to a user's configuration.
 |qtvcp.prefs                 |File containing the QtVCP preferences.
 |qtplasmac.qss               |File storing the stylesheet for the currently loaded session of QtPlasmaC.
 |===

lib/python/qtvcp/lib/qtplasmac/updater.py

@@ -174,7 +174,7 @@ def move_options_to_prefs_file_iniwrite(inifile):
             os.remove(tmpFile)
     except Exception as e:
         return(False, True, e)
-    return(True, False, 'Updated to V1.227.219')
+    return(True, False, 'Updated to V2.9-227.219')
 
 def get_offsets(data, oType):
     x = y = d = 0