diff --git a/src/avrdude.1 b/src/avrdude.1
index dceed2f5..f5ed848d 100644
--- a/src/avrdude.1
+++ b/src/avrdude.1
@@ -1261,13 +1261,14 @@ It is quite possible, as is with direct writing to the underlying fuses
 and lock bits, to brick a part, i.e., make it unresponsive to further
 programming with the chosen programmer: here be dragons.
 .It Ar factory reset
-Resets the connected part to factory state as far as possible;
-bootloaders, for example, cannot write fuses and may not have a means to
-erase EEPROM. This may change the clock frequency of the part after the
-next reset when the new fuse values come into effect. As such this may
-require that avrdude is called with a different bit clock rate for the
-programmer next time. Note that the command factory can be abbreviated
-but the required argument reset needs to be spelled out.
+Resets the connected part to factory state as far as possible
+(bootloaders, for example, cannot write fuses and may not have a means to
+erase EEPROM). This command may change the clock frequency F_CPU of the
+part after the next MCU reset when the changed fuse values come into
+effect. As such, this may require that future avrdude calls use a
+different bit clock rate up to F_CPU/4 for the programmer next time. Note
+that the command factory can be abbreviated but the required argument
+reset needs to be spelled out in full.
 .It Ar regfile {<opts>}
 regfile with no further argument displays the register file of a part,
 i.e., all register names and their contents in
diff --git a/src/doc/avrdude.texi b/src/doc/avrdude.texi
index 7324c72f..3707f4ef 100644
--- a/src/doc/avrdude.texi
+++ b/src/doc/avrdude.texi
@@ -2464,15 +2464,14 @@ and lock bits, to brick a part, i.e., make it unresponsive to further
 programming with the chosen programmer: here be dragons.
 
 @item factory reset
-Resets the connected part to factory state as far as possible;
-bootloaders, for example, cannot write fuses and may not have a means to
-erase EEPROM. This may change the clock frequency of the part after the
-next reset when the new fuse values come into effect. As such this may
-require that avrdude is called with a different bit clock rate for the
-programmer next time. Note that the command @code{factory} can be
-abbreviated  but the required argument @code{reset} needs to be spelled
-out.
-
+Resets the connected part to factory state as far as possible
+(bootloaders, for example, cannot write fuses and may not have a means to
+erase EEPROM). This command may change the clock frequency F_CPU of the
+part after the next MCU reset when the changed fuse values come into
+effect. As such, this may require that future avrdude calls use a
+different bit clock rate up to F_CPU/4 for the programmer next time. Note
+that the command @code{factory} can be abbreviated but the required
+argument @code{reset} needs to be spelled out in full.
 
 @item regfile [@var{opts}]
 @code{regfile} with no further argument displays the register file of a