diff --git a/src/pl/plpython/plpython.c b/src/pl/plpython/plpython.c
index 00e3b10ece..0e2c688f82 100644
--- a/src/pl/plpython/plpython.c
+++ b/src/pl/plpython/plpython.c
@@ -182,7 +182,7 @@ typedef union PLyTypeOutput
 } PLyTypeOutput;
 
 /* all we need to move Postgresql data to Python objects,
- * and vis versa
+ * and vice versa
  */
 typedef struct PLyTypeInfo
 {