diff --git a/parsley/shared/src/main/scala/parsley/internal/deepembedding/frontend/PrimitiveEmbedding.scala b/parsley/shared/src/main/scala/parsley/internal/deepembedding/frontend/PrimitiveEmbedding.scala
index ac316e6eb..9c08b6e2c 100644
--- a/parsley/shared/src/main/scala/parsley/internal/deepembedding/frontend/PrimitiveEmbedding.scala
+++ b/parsley/shared/src/main/scala/parsley/internal/deepembedding/frontend/PrimitiveEmbedding.scala
@@ -44,7 +44,7 @@ private [parsley] final class Put[S](val ref: Ref[S], _p: LazyParsley[S]) extend
     // $COVERAGE-OFF$
     override def visit[T, U[+_]](visitor: LazyParsleyIVisitor[T, U], context: T): U[Unit] = visitor.visit(this, context)(ref, _p)
 
-    override private[parsley] def prettyName = "Reg.put"
+    override private[parsley] def prettyName = "Ref.set"
     // $COVERAGE-ON$
 }
 private [parsley] final class NewReg[S, A](val ref: Ref[S], init: LazyParsley[S], body: =>LazyParsley[A]) extends Binary[S, A, A](init, body) with UsesRef {
@@ -53,7 +53,7 @@ private [parsley] final class NewReg[S, A](val ref: Ref[S], init: LazyParsley[S]
     // $COVERAGE-OFF$
     override def visit[T, U[+_]](visitor: LazyParsleyIVisitor[T, U], context: T): U[A] = visitor.visit(this, context)(ref, init, body)
 
-    override private[parsley] def prettyName = "fillReg"
+    override private[parsley] def prettyName = "fillRef"
     // $COVERAGE-ON$
 }
 private [parsley] final class Span(p: LazyParsley[_]) extends Unary[Any, String](p) {
diff --git a/parsley/shared/src/main/scala/parsley/internal/deepembedding/singletons/IntrinsicEmbedding.scala b/parsley/shared/src/main/scala/parsley/internal/deepembedding/singletons/IntrinsicEmbedding.scala
index 3554074a4..d063371cc 100644
--- a/parsley/shared/src/main/scala/parsley/internal/deepembedding/singletons/IntrinsicEmbedding.scala
+++ b/parsley/shared/src/main/scala/parsley/internal/deepembedding/singletons/IntrinsicEmbedding.scala
@@ -24,7 +24,7 @@ private [parsley] final class CharTok[A](private val c: Char, private val x: A,
     // $COVERAGE-OFF$
     override def visit[T, U[+_]](visitor: LazyParsleyIVisitor[T, U], context: T): U[A] = visitor.visit(this, context)(c, x, expected)
 
-    override private[parsley] def prettyName: String = "charTok"
+    override private[parsley] def prettyName: String = "char"
     // $COVERAGE-ON$
 }
 
@@ -40,7 +40,7 @@ private [parsley] final class SupplementaryCharTok[A](private val codepoint: Int
     // $COVERAGE-OFF$
     override def visit[T, U[+_]](visitor: LazyParsleyIVisitor[T, U], context: T): U[A] = visitor.visit(this, context)(codepoint, x, expected)
 
-    override private[parsley] def prettyName: String = "supplementaryCharTok"
+    override private[parsley] def prettyName: String = "char"
     // $COVERAGE-ON$
 }
 
@@ -58,7 +58,7 @@ private [parsley] final class StringTok[A](private val s: String, private val x:
     // $COVERAGE-OFF$
     override def visit[T, U[+_]](visitor: LazyParsleyIVisitor[T, U], context: T): U[A] = visitor.visit(this, context)(s, x, expected)
 
-    override private[parsley] def prettyName: String = "stringTok"
+    override private[parsley] def prettyName: String = "string"
     // $COVERAGE-ON$
 }
 
@@ -106,7 +106,7 @@ private [parsley] final class Modify[S](val ref: Ref[S], f: S => S) extends Sing
     // $COVERAGE-OFF$
     override def visit[T, U[+_]](visitor: LazyParsleyIVisitor[T, U], context: T): U[Unit] = visitor.visit(this, context)(ref, f)
 
-    override private[parsley] def prettyName = "Reg.modify"
+    override private[parsley] def prettyName = "Ref.update"
     // $COVERAGE-ON$
 }