Update readme.md

plugins/ubuntu/readme.md

@@ -12,7 +12,7 @@ There are two exeptions since ...
 agu  = sudo Apt-Get Update  - we have ...  
 agug = sudo Apt-Get UpGrade - as the exeptional 4 letter alias for a single command.
 
-afs = Apt-F*ile Search --regexp - this has the regexp switch on without being represented in the alias, I guess this makes sense since the debian plugin has it, I never used that command.
+afs = Apt-File Search --regexp - this has the regexp switch on without being represented in the alias, I guess this makes sense since the debian plugin has it, I never used that command.
 
 Then there are the 2 other 4 letter aliases for combined commands, that are straight forward and easy to remember.  
 aguu = sudo Apt-Get Update && sudo apt-get Upgrade      - better then adg or not?