diff --git a/Documentation/Main_TLU.pdf b/Documentation/Main_TLU.pdf
index cd6aecb3ece398d69bd2056854b9aa05ab3e6d38..a6690df636eb32fba9299efc5e95636d123950bb 100644
Binary files a/Documentation/Main_TLU.pdf and b/Documentation/Main_TLU.pdf differ
diff --git a/Documentation/ch_TLU_Preparation.tex b/Documentation/ch_TLU_Preparation.tex
index fd9a5a3f20dbd05759456e1161292d01f5e49763..1258ac40f8bc9516aa953fa9f60413763c97ddbc 100644
--- a/Documentation/ch_TLU_Preparation.tex
+++ b/Documentation/ch_TLU_Preparation.tex
@@ -155,7 +155,7 @@ The same procedure can be repeated with the front frame, if necessary. In this c
 \end{figure}
 
 \section{Inspection (19"-rack unit)}
-Accessing the hardware on the 19"-unit is more straightforward: simply remove the four M2.5 Pozi screws located on the top panel and slide the panel away. Please note that this unit has an internal AC-DC converter that can potentially store an harmful amount of energy even when powered-off and disconnected from the mains: always use care when accessing the unit.
+Accessing the hardware on the 19"-unit is straightforward: simply remove the four M2.5 screws located on the top panel and slide the panel back. Please note that this unit has an internal AC-DC converter that can potentially store an harmful amount of energy even when powered-off and disconnected from the mains: always use care when accessing the unit.
 \begin{alertinfo}{Danger}
     Before disassembling the 19-inch rack mounted \gls{tlu} disconnect the mains cable from the back and leave sufficient time for the internal capacitors to discharge.
 \end{alertinfo}