diff --git a/reference/filesystem/functions/disk-free-space.xml b/reference/filesystem/functions/disk-free-space.xml index ba936d5398..32b1a1b6b6 100644 --- a/reference/filesystem/functions/disk-free-space.xml +++ b/reference/filesystem/functions/disk-free-space.xml @@ -45,7 +45,8 @@ &reftitle.returnvalues; - Returns the number of available bytes as a float. + Returns the number of available bytes as a float + or &false; in case of an error. diff --git a/reference/filesystem/functions/disk-total-space.xml b/reference/filesystem/functions/disk-total-space.xml index 0a4b8a5943..8c3d138505 100644 --- a/reference/filesystem/functions/disk-total-space.xml +++ b/reference/filesystem/functions/disk-total-space.xml @@ -37,7 +37,8 @@ &reftitle.returnvalues; - Returns the total number of bytes as a float. + Returns the total number of bytes as a float + or &false; in case of an error.