Documentation update

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index d320ab3852dbc69942f69ddde8bbacd0aab127ce..3e1e62a0f4d3115fa947471febf2796150eae9f2 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -823,7 +823,9 @@ verify=str  If writing to a file, fio can verify the file contents
                                it in the header of each block.
 
                        crc32c-intel Use hardware assisted crc32c calcuation
-                               provided on SSE4.2 enabled processors.
+                               provided on SSE4.2 enabled processors. Falls
+                               back to regular software crc32c, if not
+                               supported by the system.
 
                        crc32   Use a crc32 sum of the data area and store
                                it in the header of each block.