diff --git a/vinca_linux_64.yaml b/vinca_linux_64.yaml
index 7d9f33e09..11a5623a4 100644
--- a/vinca_linux_64.yaml
+++ b/vinca_linux_64.yaml
@@ -36,6 +36,11 @@ skip_existing:
   # - https://conda.anaconda.org/robostack/
   - https://conda.anaconda.org/robostack-staging/
 
+# This list contains lots of commented-out package names. That is okay.
+# Not all packages need to be rebuilt with every pull request.
+# Do not be afraid if you see a package commented out after some time - it just means it is not being built now.
+# For sure it will be uncommented and built with next full rebuild. Full rebuilds happen occasionally (few times a year).
+# The list of all maintained packages is at https://robostack.github.io/noetic.html .
 packages_select_by_deps:
   - cras_cpp_common  # maintainer peci1
   - cras_py_common  # maintainer peci1
diff --git a/vinca_linux_aarch64.yaml b/vinca_linux_aarch64.yaml
index e77b31ab5..a7a691fb6 100644
--- a/vinca_linux_aarch64.yaml
+++ b/vinca_linux_aarch64.yaml
@@ -27,6 +27,11 @@ skip_existing:
   # - https://conda.anaconda.org/robostack/
   - https://conda.anaconda.org/robostack-staging/
 
+# This list contains lots of commented-out package names. That is okay.
+# Not all packages need to be rebuilt with every pull request.
+# Do not be afraid if you see a package commented out after some time - it just means it is not being built now.
+# For sure it will be uncommented and built with next full rebuild. Full rebuilds happen occasionally (few times a year).
+# The list of all maintained packages is at https://robostack.github.io/noetic.html .
 packages_select_by_deps:
   - cras_cpp_common  # maintainer peci1
   - cras_py_common  # maintainer peci1
diff --git a/vinca_osx.yaml b/vinca_osx.yaml
index 2c7a95675..5e555cfca 100644
--- a/vinca_osx.yaml
+++ b/vinca_osx.yaml
@@ -28,6 +28,11 @@ skip_existing:
   # - https://conda.anaconda.org/robostack/
   - https://conda.anaconda.org/robostack-staging/
 
+# This list contains lots of commented-out package names. That is okay.
+# Not all packages need to be rebuilt with every pull request.
+# Do not be afraid if you see a package commented out after some time - it just means it is not being built now.
+# For sure it will be uncommented and built with next full rebuild. Full rebuilds happen occasionally (few times a year).
+# The list of all maintained packages is at https://robostack.github.io/noetic.html .
 packages_select_by_deps:
   - rospack
   - microstrain-inertial-driver
diff --git a/vinca_osx_arm64.yaml b/vinca_osx_arm64.yaml
index 8d0fb8d65..6b317a473 100644
--- a/vinca_osx_arm64.yaml
+++ b/vinca_osx_arm64.yaml
@@ -30,6 +30,11 @@ skip_existing:
   - https://conda.anaconda.org/robostack-staging/
   # - /Users/fischert/mambaforge/conda-bld
 
+# This list contains lots of commented-out package names. That is okay.
+# Not all packages need to be rebuilt with every pull request.
+# Do not be afraid if you see a package commented out after some time - it just means it is not being built now.
+# For sure it will be uncommented and built with next full rebuild. Full rebuilds happen occasionally (few times a year).
+# The list of all maintained packages is at https://robostack.github.io/noetic.html .
 packages_select_by_deps:
   ##
   #  TODO OSX-ARM64
diff --git a/vinca_win.yaml b/vinca_win.yaml
index 3106d637e..1aa8aa646 100644
--- a/vinca_win.yaml
+++ b/vinca_win.yaml
@@ -30,6 +30,11 @@ skip_existing:
   # - https://conda.anaconda.org/robostack/
   - https://conda.anaconda.org/robostack-staging/
 
+# This list contains lots of commented-out package names. That is okay.
+# Not all packages need to be rebuilt with every pull request.
+# Do not be afraid if you see a package commented out after some time - it just means it is not being built now.
+# For sure it will be uncommented and built with next full rebuild. Full rebuilds happen occasionally (few times a year).
+# The list of all maintained packages is at https://robostack.github.io/noetic.html .
 packages_select_by_deps:
   - actionlib
   - foxglove_bridge