diff --git a/docs/expert/infrastructure/fiber-mapping.txt b/docs/expert/infrastructure/fiber-mapping.txt
index cebd4c1c3945657e883118816f3baa872a4ffe51..b6e67ae8d3c00041205812fab289ca0831c08de1 100644
--- a/docs/expert/infrastructure/fiber-mapping.txt
+++ b/docs/expert/infrastructure/fiber-mapping.txt
@@ -116,11 +116,12 @@ X2V33-47 (GE11_DAQ_PP_X2V31_MINUS)
 
 X2V33-46
 
-  Left  ???  GE-2/1/16/Ly1-X2V33-DAQ (TODO)
-  Left  ???  GE-2/1/18/Ly1-X2V33-DAQ (TODO)
+  Left  Aqua  GE-2/1/16/Ly1-X2V33-DAQ
+  Left  Green GE-2/1/18/Ly1-X2V33-DAQ
+  Left  Pink  (empty)
 
-  Right Pink GE11-X2-MINUS-SPARE-3
-  Right Cyan GE11-X2-MINUS-SPARE-4
+  Right Aqua  GE11-X2-MINUS-SPARE-3
+  Right Pink  GE11-X2-MINUS-SPARE-4
 
 X5J33-47 (GE11_DAQ_PP_X5J32_PLUS)
 
@@ -236,7 +237,7 @@ X2J33-47 (GE11_DAQ_PP_X2J31_PLUS)
 
 X2J33-46
 
-  Left  GE+2/1/16/Ly2-X2J33-DAQ
+  Left  GE+2/1/16/Ly2-X2J33-DAQ (connected to chamber GE+2/1/16/Ly1)
   Right GE11-X2-PLUS-SPARE-3
 
 ##########
@@ -342,7 +343,7 @@ S2E01-14 (GEM+ -- FED 1468)
 S2E01-04 (GEMPILOT -- FED1469)
 
   AMC01
-    GE11-X2-PLUS-SPARE-3, GE11-X2-MINUS-SPARE-3 (TODO), GE11-X2-MINUS-SPARE-4 (TODO), MTP48 breakout (*)
+    GE11-X2-PLUS-SPARE-3, GE11-X2-MINUS-SPARE-3, GE11-X2-MINUS-SPARE-4, MTP48 breakout (*) (from top to bottom)
 
   AMC13
     TTC -- [yellow, no label] (B top/A bottom)