diff --git a/content/3.defense-systems/rst_rt-nitrilase-tm.md b/content/3.defense-systems/rst_rt-nitrilase-tm.md
index c80ad56e715d0c19111b7c80d5708ac8c52d3dac..a552fe94237d06c5937a062f0838e711932ffd30 100644
--- a/content/3.defense-systems/rst_rt-nitrilase-tm.md
+++ b/content/3.defense-systems/rst_rt-nitrilase-tm.md
@@ -24,7 +24,7 @@ RT-nitrilase-Tm (also named UG5-large) is a two-gene defense system. It was disc
 
 The first protein is a reverse transcriptase (RT) fussed with C-N hydrolase domain (nitrilase); the second protein is transmembrane protein :ref{doi=10.1093/nar/gkac467}.
 
-The presence of an RT protein allows to draw a parallel between this system and [DRT](/defense-systems/drt), [AbiA](/defense-systems/abia), [AbiK](defense-systems/abik) and [AbiP2](/defense-systems/abip2).
+The presence of an RT protein allows to draw a parallel between this system and [DRT](/defense-systems/drt), [AbiA](/defense-systems/abia), [AbiK](/defense-systems/abik) and [AbiP2](/defense-systems/abip2).
 
 ## Molecular mechanism