diff --git a/doc/mf6io/mf6ivar/dfn/gwf-chd.dfn b/doc/mf6io/mf6ivar/dfn/gwf-chd.dfn
index 8c12234ac97..42a9d4a5c3e 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-chd.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-chd.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf chd options ---------------------
 # flopy multi-package
+# package-type stress-package
 # modflow6 aux-sfac-param head
 
 block options
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-drn.dfn b/doc/mf6io/mf6ivar/dfn/gwf-drn.dfn
index 4f5a2ffe90b..e88cc6f43c9 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-drn.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-drn.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf drn options ---------------------
 # flopy multi-package
+# package-type stress-package
 
 block options
 name auxiliary
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-evt.dfn b/doc/mf6io/mf6ivar/dfn/gwf-evt.dfn
index f8cc23d6d18..33f5a971611 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-evt.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-evt.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf evt options ---------------------
 # flopy multi-package
+# package-type stress-package
 
 block options
 name fixed_cell
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-evta.dfn b/doc/mf6io/mf6ivar/dfn/gwf-evta.dfn
index 625886ff5f5..25ad504b51f 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-evta.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-evta.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf evta options ---------------------
 # flopy multi-package
+# package-type stress-package
 # modflow6 aux-sfac-param rate
 
 block options
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-ghb.dfn b/doc/mf6io/mf6ivar/dfn/gwf-ghb.dfn
index e1807ec692e..c97c78804b3 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-ghb.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-ghb.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf ghb options ---------------------
 # flopy multi-package
+# package-type stress-package
 
 block options
 name auxiliary
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-lak.dfn b/doc/mf6io/mf6ivar/dfn/gwf-lak.dfn
index d73c4d13b7e..3dc9e940c0b 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-lak.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-lak.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf lak options ---------------------
 # flopy multi-package
+# package-type advanced-stress-package
 
 block options
 name auxiliary
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-maw.dfn b/doc/mf6io/mf6ivar/dfn/gwf-maw.dfn
index d9bf3912e49..4a7784baf33 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-maw.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-maw.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf maw options ---------------------
 # flopy multi-package
+# package-type advanced-stress-package
 
 block options
 name auxiliary
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-rch.dfn b/doc/mf6io/mf6ivar/dfn/gwf-rch.dfn
index dbb47422bc0..4fd89a0b8b0 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-rch.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-rch.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf rch options ---------------------
 # flopy multi-package
+# package-type stress-package
 # modflow6 aux-sfac-param recharge
 
 block options
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-rcha.dfn b/doc/mf6io/mf6ivar/dfn/gwf-rcha.dfn
index e8598e47da1..368b656c27b 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-rcha.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-rcha.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf rcha options ---------------------
 # flopy multi-package
+# package-type stress-package
 # modflow6 aux-sfac-param recharge
 
 block options
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-riv.dfn b/doc/mf6io/mf6ivar/dfn/gwf-riv.dfn
index 385f3f7b793..fca586f17eb 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-riv.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-riv.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf riv options ---------------------
 # flopy multi-package
+# package-type stress-package
 
 block options
 name auxiliary
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-sfr.dfn b/doc/mf6io/mf6ivar/dfn/gwf-sfr.dfn
index 40048aeee54..24da890760e 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-sfr.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-sfr.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf sfr options ---------------------
 # flopy multi-package
+# package-type advanced-stress-package
 
 block options
 name auxiliary
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-uzf.dfn b/doc/mf6io/mf6ivar/dfn/gwf-uzf.dfn
index 1b61e1fb6be..fdf5078eba5 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-uzf.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-uzf.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf uzf options ---------------------
 # flopy multi-package
+# package-type advanced-stress-package
 
 block options
 name auxiliary
diff --git a/doc/mf6io/mf6ivar/dfn/gwf-wel.dfn b/doc/mf6io/mf6ivar/dfn/gwf-wel.dfn
index e7f9feefb7c..c7de3e7e96f 100644
--- a/doc/mf6io/mf6ivar/dfn/gwf-wel.dfn
+++ b/doc/mf6io/mf6ivar/dfn/gwf-wel.dfn
@@ -1,5 +1,6 @@
 # --------------------- gwf wel options ---------------------
 # flopy multi-package
+# package-type stress-package
 
 block options
 name auxiliary