diff --git a/nipype/interfaces/petpvc.py b/nipype/interfaces/petpvc.py
index dbd1d805ed..ac388f6b51 100644
--- a/nipype/interfaces/petpvc.py
+++ b/nipype/interfaces/petpvc.py
@@ -37,6 +37,7 @@
     "RBV+VC",
     "RL",
     "VC",
+    "STC",
 ]
 
 
@@ -75,6 +76,7 @@ class PETPVCInputSpec(CommandLineInputSpec):
     * Muller Gartner -- ``MG``
     * Muller Gartner with Van-Cittert -- ``MG+VC``
     * Muller Gartner with Richardson-Lucy -- ``MG+RL``
+    * Single-target correction -- ``STC``
 
 """,
     )