diff --git a/trd/trd_v20a_1e.geo.info b/trd/trd_v20a_1e.geo.info
index e291d14f983a3980c298cb831619debefa081325..583ecf007dbcc6c2a2e263c11fb8e4106bb34f03 100644
--- a/trd/trd_v20a_1e.geo.info
+++ b/trd/trd_v20a_1e.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules considering the target at z=0
 vi: 28.77 deg, vo: 27.91 deg, h: 33.73 deg - vertical/horizontal - layer  1
 vi: 25.48 deg, vo: 24.70 deg, h: 30.10 deg - vertical/horizontal - layer  2
 vi: 22.83 deg, vo: 22.11 deg, h: 27.12 deg - vertical/horizontal - layer  3
 vi: 20.66 deg, vo: 19.99 deg, h: 24.64 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  3.49 deg, h:  6.96 deg - vertical/horizontal - layer  1
 v:  3.03 deg, h:  6.05 deg - vertical/horizontal - layer  2
 v:  2.68 deg, h:  5.35 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20a_1h.geo.info b/trd/trd_v20a_1h.geo.info
index 976c33efbf0ab24f34e5f06b4dc0305078e3c649..a76816886bc7ebbae8475e3a2da2843ea05d4a67 100644
--- a/trd/trd_v20a_1h.geo.info
+++ b/trd/trd_v20a_1h.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules considering the target at z=0
 vi: 28.77 deg, vo: 27.91 deg, h: 33.73 deg - vertical/horizontal - layer  1
 vi: 25.48 deg, vo: 24.70 deg, h: 30.10 deg - vertical/horizontal - layer  2
 vi: 22.83 deg, vo: 22.11 deg, h: 27.12 deg - vertical/horizontal - layer  3
 vi: 20.66 deg, vo: 19.99 deg, h: 24.64 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  3.49 deg, h:  6.96 deg - vertical/horizontal - layer  1
 v:  3.03 deg, h:  6.05 deg - vertical/horizontal - layer  2
 v:  2.68 deg, h:  5.35 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20a_1m.geo.info b/trd/trd_v20a_1m.geo.info
index cd6f598bfdb6c531543df7fd0769802c5a14d924..6e5051e831889b81e43866526e5c5dc784601d33 100644
--- a/trd/trd_v20a_1m.geo.info
+++ b/trd/trd_v20a_1m.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules considering the target at z=0
 vi: 26.96 deg, vo: 26.14 deg, h: 31.75 deg - vertical/horizontal - layer  1
 vi: 24.03 deg, vo: 23.28 deg, h: 28.48 deg - vertical/horizontal - layer  2
 vi: 21.65 deg, vo: 20.96 deg, h: 25.77 deg - vertical/horizontal - layer  3
 vi: 19.68 deg, vo: 19.04 deg, h: 23.51 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  3.24 deg, h:  6.45 deg - vertical/horizontal - layer  1
 v:  2.84 deg, h:  5.66 deg - vertical/horizontal - layer  2
 v:  2.53 deg, h:  5.04 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20b_1e.geo.info b/trd/trd_v20b_1e.geo.info
index 517ce2d16bc52e6385b4edf787191996717f2c22..7db283386b77c39a2d0eeee64e9c02ff4e59914f 100644
--- a/trd/trd_v20b_1e.geo.info
+++ b/trd/trd_v20b_1e.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules considering the target at z=0
 vi: 30.11 deg, vo: 29.23 deg, h: 35.20 deg - vertical/horizontal - layer  1
 vi: 26.56 deg, vo: 25.75 deg, h: 31.30 deg - vertical/horizontal - layer  2
 vi: 23.70 deg, vo: 22.96 deg, h: 28.10 deg - vertical/horizontal - layer  3
 vi: 21.38 deg, vo: 20.69 deg, h: 25.46 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  3.69 deg, h:  7.34 deg - vertical/horizontal - layer  1
 v:  3.18 deg, h:  6.34 deg - vertical/horizontal - layer  2
 v:  2.79 deg, h:  5.57 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20b_1h.geo.info b/trd/trd_v20b_1h.geo.info
index 20291706b6491bba78281af232f8a876941a1e0b..a97f7859c4c0005ef16888ac7de3bedfb4c20879 100644
--- a/trd/trd_v20b_1h.geo.info
+++ b/trd/trd_v20b_1h.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules considering the target at z=0
 vi: 30.11 deg, vo: 29.23 deg, h: 35.20 deg - vertical/horizontal - layer  1
 vi: 26.56 deg, vo: 25.75 deg, h: 31.30 deg - vertical/horizontal - layer  2
 vi: 23.70 deg, vo: 22.96 deg, h: 28.10 deg - vertical/horizontal - layer  3
 vi: 21.38 deg, vo: 20.69 deg, h: 25.46 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  3.69 deg, h:  7.34 deg - vertical/horizontal - layer  1
 v:  3.18 deg, h:  6.34 deg - vertical/horizontal - layer  2
 v:  2.79 deg, h:  5.57 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20b_1m.geo.info b/trd/trd_v20b_1m.geo.info
index 1ba7f2ace2fbe3f0c3d0a8cf6f3c6db183586adc..31c5a58d0c04f87a441d18947839bc507c93f7fd 100644
--- a/trd/trd_v20b_1m.geo.info
+++ b/trd/trd_v20b_1m.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules considering the target at z=0
 vi: 26.16 deg, vo: 25.36 deg, h: 30.86 deg - vertical/horizontal - layer  1
 vi: 23.38 deg, vo: 22.65 deg, h: 27.74 deg - vertical/horizontal - layer  2
 vi: 21.11 deg, vo: 20.44 deg, h: 25.16 deg - vertical/horizontal - layer  3
 vi: 19.23 deg, vo: 18.60 deg, h: 22.99 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  3.12 deg, h:  6.23 deg - vertical/horizontal - layer  1
 v:  2.75 deg, h:  5.49 deg - vertical/horizontal - layer  2
 v:  2.46 deg, h:  4.90 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20c_1e.geo.info b/trd/trd_v20c_1e.geo.info
index c1b5d28a024dff9ff031a44a5187537c7cd75b51..5a67a863e9961d95e45bdbd88145eeef8a07ba68 100644
--- a/trd/trd_v20c_1e.geo.info
+++ b/trd/trd_v20c_1e.geo.info
@@ -39,13 +39,14 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+
+# angles of acceptance for inner + outer modules consider the target at z=0
 vi: 32.53 deg, vo: 31.61 deg, h: 37.80 deg - vertical/horizontal - layer  1
 vi: 28.46 deg, vo: 27.61 deg, h: 33.40 deg - vertical/horizontal - layer  2
 vi: 25.24 deg, vo: 24.46 deg, h: 29.83 deg - vertical/horizontal - layer  3
 vi: 22.63 deg, vo: 21.91 deg, h: 26.89 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  4.05 deg, h:  8.07 deg - vertical/horizontal - layer  1
 v:  3.45 deg, h:  6.87 deg - vertical/horizontal - layer  2
 v:  3.00 deg, h:  5.98 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20c_1h.geo.info b/trd/trd_v20c_1h.geo.info
index 6ef1e342f3aec0fe84ae9c0de4d1e1f7e87e5717..fc02ef94b581aba21c1bdc7dcb8a72378469d67e 100644
--- a/trd/trd_v20c_1h.geo.info
+++ b/trd/trd_v20c_1h.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules consider the target at z=0
 vi: 32.53 deg, vo: 31.61 deg, h: 37.80 deg - vertical/horizontal - layer  1
 vi: 28.46 deg, vo: 27.61 deg, h: 33.40 deg - vertical/horizontal - layer  2
 vi: 25.24 deg, vo: 24.46 deg, h: 29.83 deg - vertical/horizontal - layer  3
 vi: 22.63 deg, vo: 21.91 deg, h: 26.89 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  4.05 deg, h:  8.07 deg - vertical/horizontal - layer  1
 v:  3.45 deg, h:  6.87 deg - vertical/horizontal - layer  2
 v:  3.00 deg, h:  5.98 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v20c_1m.geo.info b/trd/trd_v20c_1m.geo.info
index b589f246eabdc159aa1de4af05cd41e91e5b2ae1..7cac060b44cb321c49e112aa7c477f7b6f041edb 100644
--- a/trd/trd_v20c_1m.geo.info
+++ b/trd/trd_v20c_1m.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules considering the target at z=0
 vi: 28.01 deg, vo: 27.17 deg, h: 32.90 deg - vertical/horizontal - layer  1
 vi: 24.87 deg, vo: 24.10 deg, h: 29.42 deg - vertical/horizontal - layer  2
 vi: 22.34 deg, vo: 21.63 deg, h: 26.56 deg - vertical/horizontal - layer  3
 vi: 20.25 deg, vo: 19.60 deg, h: 24.17 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture considering the target at z=0
 v:  3.38 deg, h:  6.74 deg - vertical/horizontal - layer  1
 v:  2.95 deg, h:  5.88 deg - vertical/horizontal - layer  2
 v:  2.61 deg, h:  5.22 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v23a_1e.geo.info b/trd/trd_v23a_1e.geo.info
index 827212cd99f75e63286705b1b4e97a79b96eb05b..6029c6f4cc6ff40455e8f0815d799fbb2332b62e 100644
--- a/trd/trd_v23a_1e.geo.info
+++ b/trd/trd_v23a_1e.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules (assuming the target is at z=0)
 vi: 30.11 deg, vo: 29.23 deg, h: 35.20 deg - vertical/horizontal - layer  1
 vi: 26.56 deg, vo: 25.75 deg, h: 31.30 deg - vertical/horizontal - layer  2
 vi: 23.70 deg, vo: 22.96 deg, h: 28.10 deg - vertical/horizontal - layer  3
 vi: 21.38 deg, vo: 20.69 deg, h: 25.46 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture (assuming the target is at z=0)
 v:  3.69 deg, h:  7.34 deg - vertical/horizontal - layer  1
 v:  3.18 deg, h:  6.34 deg - vertical/horizontal - layer  2
 v:  2.79 deg, h:  5.57 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v23a_1h.geo.info b/trd/trd_v23a_1h.geo.info
index a72e64e9793e0344bfae2aaaed97555183dbec88..e9137f788f5d49bf12b6bb7c974bd004a6204156 100644
--- a/trd/trd_v23a_1h.geo.info
+++ b/trd/trd_v23a_1h.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules assuming the target is at z=0
 vi: 30.11 deg, vo: 29.23 deg, h: 35.20 deg - vertical/horizontal - layer  1
 vi: 26.56 deg, vo: 25.75 deg, h: 31.30 deg - vertical/horizontal - layer  2
 vi: 23.70 deg, vo: 22.96 deg, h: 28.10 deg - vertical/horizontal - layer  3
 vi: 21.38 deg, vo: 20.69 deg, h: 25.46 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture assuming the target is at z=0 (normally should be -44cm)
 v:  3.69 deg, h:  7.34 deg - vertical/horizontal - layer  1
 v:  3.18 deg, h:  6.34 deg - vertical/horizontal - layer  2
 v:  2.79 deg, h:  5.57 deg - vertical/horizontal - layer  3
diff --git a/trd/trd_v23a_1m.geo.info b/trd/trd_v23a_1m.geo.info
index 44fb7c65aa9200f85312c268008ed2ad07aca693..6726c561e4e58797a23fb3279f75f23e05147d4a 100644
--- a/trd/trd_v23a_1m.geo.info
+++ b/trd/trd_v23a_1m.geo.info
@@ -39,13 +39,13 @@
 -247.500000 cm to 247.500000 cm y-dimension of layer  3
 -247.500000 cm to 247.500000 cm y-dimension of layer  4
 
-# angles of acceptance for inner + outer modules
+# angles of acceptance for inner + outer modules assuming the target is at z=0
 vi: 26.16 deg, vo: 25.36 deg, h: 30.86 deg - vertical/horizontal - layer  1
 vi: 23.38 deg, vo: 22.65 deg, h: 27.74 deg - vertical/horizontal - layer  2
 vi: 21.11 deg, vo: 20.44 deg, h: 25.16 deg - vertical/horizontal - layer  3
 vi: 19.23 deg, vo: 18.60 deg, h: 22.99 deg - vertical/horizontal - layer  4
 
-# inner aperture
+# inner aperture assuming the target is at z=0 (currently should be -44 cm)
 v:  3.12 deg, h:  6.23 deg - vertical/horizontal - layer  1
 v:  2.75 deg, h:  5.49 deg - vertical/horizontal - layer  2
 v:  2.46 deg, h:  4.90 deg - vertical/horizontal - layer  3