diff --git a/scripts/rpcgen/main.py b/scripts/rpcgen/main.py
index a41be489291b46f33122958846adb4959018fe84..390a9740df366440b78ca847203690267c483af0 100755
--- a/scripts/rpcgen/main.py
+++ b/scripts/rpcgen/main.py
@@ -47,7 +47,7 @@ def main():
         #
         # We can delete this in a few years, once we
         # know users won't have a previously generated
-        # readonly copy lieing around.
+        # readonly copy lying around.
         try:
             os.unlink(args.output)
         except Exception:
diff --git a/scripts/rpcgen/rpcgen/parser.py b/scripts/rpcgen/rpcgen/parser.py
index c01ae5675556025c1b239054eac16e111db51f27..e18c44d1787718832febd59b8b9317206419732b 100644
--- a/scripts/rpcgen/rpcgen/parser.py
+++ b/scripts/rpcgen/rpcgen/parser.py
@@ -268,7 +268,7 @@ class XDRParser:
         pointer = False
         if type(ident) is XDRTokenPunctuation:
             if ident.value != "*":
-                raise Exception("Expected '*' or identifer, but got %s" % ident)
+                raise Exception("Expected '*' or identifier, but got %s" % ident)
             if type(typ) is XDRTypeString or type(typ) is XDRTypeOpaque:
                 raise Exception("Pointer invalid for 'string' and 'opaque' types")
 
@@ -332,7 +332,7 @@ class XDRParser:
                 return XDRTypeUnsignedHyper()
             else:
                 # Bare 'unsigned' isn't allowed by 'type-specifier'
-                # grammer in RFC 1014, but rpcgen allows it
+                # grammar in RFC 1014, but rpcgen allows it
                 return XDRTypeUnsignedInt()
 
         if typ.value == "void":
diff --git a/scripts/rpcgen/tests/simple.x b/scripts/rpcgen/tests/simple.x
index 91a1f2d23449f7f7c79d04755a605fe4a154dd9d..766521bfd9f7be6bcdf82d5f075f9142b2b58d2f 100644
--- a/scripts/rpcgen/tests/simple.x
+++ b/scripts/rpcgen/tests/simple.x
@@ -22,7 +22,7 @@ case TEXT:
 case DATA:
    string creator<MAXNAMELEN>; /* data creator */
 case EXEC:
-   string interpretor<MAXNAMELEN>; /* program interpretor */
+   string interpreter<MAXNAMELEN>; /* program interpreter */
 };
 /*
  * A complete file:
diff --git a/scripts/rpcgen/tests/test_lexer.py b/scripts/rpcgen/tests/test_lexer.py
index 7cba98057f7d71355c7257020fcceb9d3be0925a..d9fd2a2ada9e08e03c8cde1c641b9a9262230b83 100644
--- a/scripts/rpcgen/tests/test_lexer.py
+++ b/scripts/rpcgen/tests/test_lexer.py
@@ -80,7 +80,7 @@ def test_lexer():
         XDRTokenIdentifier(line=24, column=5, value="EXEC"),
         XDRTokenPunctuation(line=24, column=9, value=":"),
         XDRTokenIdentifier(line=25, column=3, value="string"),
-        XDRTokenIdentifier(line=25, column=10, value="interpretor"),
+        XDRTokenIdentifier(line=25, column=10, value="interpreter"),
         XDRTokenPunctuation(line=25, column=21, value="<"),
         XDRTokenIdentifier(line=25, column=22, value="MAXNAMELEN"),
         XDRTokenPunctuation(line=25, column=32, value=">"),
diff --git a/scripts/rpcgen/tests/test_parser.py b/scripts/rpcgen/tests/test_parser.py
index 8527b8d6e2de20495c8f7cfd76c4064743f60e24..cc6e40ab5825a5f9492e1cc6974458f3e16bd452 100644
--- a/scripts/rpcgen/tests/test_parser.py
+++ b/scripts/rpcgen/tests/test_parser.py
@@ -56,7 +56,7 @@ def test_parser():
                 XDRUnionCase(
                     "EXEC",
                     XDRDeclarationVariableArray(
-                        XDRTypeString(), "interpretor", "MAXNAMELEN"
+                        XDRTypeString(), "interpreter", "MAXNAMELEN"
                     ),
                 ),
             ],