diff --git a/umls/sequence/globalfit_gwsrc_mbh.puml b/umls/sequence/globalfit_gwsrc_mbh.puml
index 2ac4229..e33d793 100644
--- a/umls/sequence/globalfit_gwsrc_mbh.puml
+++ b/umls/sequence/globalfit_gwsrc_mbh.puml
@@ -43,7 +43,8 @@ start
   :alloc_noise_data();
 
   repeat
-    :// Remove from TDI AET all found signals from last iteration of UCB VGB MBH
+    |#white|GlobalFit.c|
+    :// Remove from TDI AET all found signals from last iteration of UCB VGB generated signals
     create_residual();
 
     |#white|MBHWrapper.c|
diff --git a/umls/sequence/globalfit_gwsrc_noise.puml b/umls/sequence/globalfit_gwsrc_noise.puml
index 5daec92..b680561 100644
--- a/umls/sequence/globalfit_gwsrc_noise.puml
+++ b/umls/sequence/globalfit_gwsrc_noise.puml
@@ -51,7 +51,7 @@ start
     :// Receives TDI AE from root process.
     share_mbh_model();
 
-    :// Remove from TDI AET all found signals from last iteration of UCB VGB MBH
+    :// Remove from TDI AET all found signals from last iteration of UCB VGB MBH generated signals
     create_residual();
 
     |#white|NoiseWrapper.c|
diff --git a/umls/sequence/globalfit_gwsrc_ucb.puml b/umls/sequence/globalfit_gwsrc_ucb.puml
index a29a963..61cef7d 100644
--- a/umls/sequence/globalfit_gwsrc_ucb.puml
+++ b/umls/sequence/globalfit_gwsrc_ucb.puml
@@ -37,13 +37,16 @@ start
   |#white|NoiseWrapper.c|
   :alloc_noise_data();
 
+  |#white|GlobalFit.c|
   :// Propagates input TDI to all mpids.
   share_data();
 
+  |#white|GalacticBinaryWrapper.c|
   :initialize_gbmcmc_sampler();
 
   repeat
-    :// Remove from TDI AE all found signals from last iteration of UCB VGB MBH
+    |#white|GlobalFit.c|
+    :// Remove from TDI AE all found signals from last iteration of VGB MBH generated signals
     create_residual();
 
     |#white|GalacticBinaryWrapper.c|
diff --git a/umls/sequence/globalfit_gwsrc_vgb.puml b/umls/sequence/globalfit_gwsrc_vgb.puml
index eff1f95..5321da7 100644
--- a/umls/sequence/globalfit_gwsrc_vgb.puml
+++ b/umls/sequence/globalfit_gwsrc_vgb.puml
@@ -37,9 +37,11 @@ start
   |#white|NoiseWrapper.c|
   :alloc_noise_data();
 
+  |#white|GlobalFit.c|
   :// Propagates input TDI to all mpids.
   share_data();
 
+  |#white|VerificationBinaryWrapper.c|
   :initialize_vbmcmc_sampler();
 
   repeat
@@ -51,7 +53,7 @@ start
     :// Receives TDI AE from root process.
     share_mbh_model();
 
-    :// Remove from TDI AE all found signals from last iteration of UCB VGB MBH
+    :// Remove from TDI AE all found signals from last iteration of UCB MBH generated signals
     create_residual();
 
     |#white|VerificationBinaryWrapper.c|