Use prefixes to help reduce word count. In particular, avoid the use of not when you can convey the same meaning with a prefix such as un-, in- , or dis-.
Preferred |
Discouraged |
Perform this procedure if the first disk is destroyed and a backup is unavailable. |
Perform this procedure if the first disk is destroyed and a backup is not available. |
The 649A power converter is incompatible with the 644A power converter. |
The 649A power converter is not compatible with the 644A power converter. |
The system administrator can create a list of telephone numbers that are allowed and disallowed. |
The system administrator can create a list of telephone numbers that are allowed and not allowed. |
Text Chat and Callback calls are unrestricted and limited only by the number of available channels. |
Text Chat and Callback calls are not restricted and limited only by the number of available channels. |
This restriction is unnecessary for other types of calls. |
This restriction is not necessary for other types of calls. |
This message indicates that the system tried to communicate with a nonexistent process. |
This message indicates that the system tried to communicate with a process that does not exist. |
You can disable any feature that is irrelevant to your business needs. |
You can disable any feature that is not relevant to your business needs. |