docs: Fixing the sign on the Low Voltage PMOS FETs.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
diff --git a/docs/rules/device-details.rst b/docs/rules/device-details.rst
index f2da55e..c78bd93 100644
--- a/docs/rules/device-details.rst
+++ b/docs/rules/device-details.rst
@@ -943,8 +943,8 @@
 
 Operating Voltages where SPICE models are valid
 
--  V\ :sub:`DS` = 0 to 1.95V
--  V\ :sub:`GS` = 0 to 1.95V
+-  V\ :sub:`DS` = 0 to -1.95V
+-  V\ :sub:`GS` = 0 to -1.95V
 -  V\ :sub:`BS` = -0.1 to +1.95V
 
 Details
@@ -987,8 +987,8 @@
 
 Operating Voltages where SPICE models are valid
 
--  V\ :sub:`DS` = 0 to 1.95V
--  V\ :sub:`GS` = 0 to 1.95V
+-  V\ :sub:`DS` = 0 to -1.95V
+-  V\ :sub:`GS` = 0 to -1.95V
 -  V\ :sub:`BS` = -0.1 to +1.95V
 
 Details
diff --git a/docs/rules/device-details/fet-pmos-1v8-high-vt/index.rst b/docs/rules/device-details/fet-pmos-1v8-high-vt/index.rst
index 2ecd6fd..0808262 100644
--- a/docs/rules/device-details/fet-pmos-1v8-high-vt/index.rst
+++ b/docs/rules/device-details/fet-pmos-1v8-high-vt/index.rst
@@ -9,8 +9,8 @@
 
 Operating Voltages where SPICE models are valid
 
--  V\ :sub:`DS` = 0 to 1.95V
--  V\ :sub:`GS` = 0 to 1.95V
+-  V\ :sub:`DS` = 0 to -1.95V
+-  V\ :sub:`GS` = 0 to -1.95V
 -  V\ :sub:`BS` = -0.1 to +1.95V
 
 Details
diff --git a/docs/rules/device-details/fet-pmos-1v8-low-vt/index.rst b/docs/rules/device-details/fet-pmos-1v8-low-vt/index.rst
index 8c58b3e..50f9ea5 100644
--- a/docs/rules/device-details/fet-pmos-1v8-low-vt/index.rst
+++ b/docs/rules/device-details/fet-pmos-1v8-low-vt/index.rst
@@ -9,8 +9,8 @@
 
 Operating Voltages where SPICE models are valid
 
--  V\ :sub:`DS` = 0 to 1.95V
--  V\ :sub:`GS` = 0 to 1.95V
+-  V\ :sub:`DS` = 0 to -1.95V
+-  V\ :sub:`GS` = 0 to -1.95V
 -  V\ :sub:`BS` = -0.1 to +1.95V
 
 Details