Fix function name in LUA indentation script error message.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 6f0a598346)

kate/part/kateluaindentscript.cpp

@@ -153,7 +153,7 @@ static int katelua_document_insertText(lua_State *L) {
       lua_error(L);
   }
   if ((!lua_isnumber(L,1)) || (!lua_isnumber(L,2))  ||(!lua_isstring(L,3)) )  {
-      lua_pushstring(L,i18n("document.removeText:Three parameters needed (line,col,text) (number,number,string)").utf8().data());
+      lua_pushstring(L,i18n("document.insertText:Three parameters needed (line,col,text) (number,number,string)").utf8().data());
       lua_error(L);
   }
   lua_pushboolean(L,katelua_doc->insertText((uint)lua_tonumber(L,1),(uint)lua_tonumber(L,2),TQString::fromUtf8(lua_tostring(L,3))));