diff --git a/crates/compiler/builtins/roc/Str.roc b/crates/compiler/builtins/roc/Str.roc
index dd460a58ea..3233583fc8 100644
--- a/crates/compiler/builtins/roc/Str.roc
+++ b/crates/compiler/builtins/roc/Str.roc
@@ -1105,6 +1105,6 @@ drop_suffix = \haystack, suffix ->
 ## That said, strings received from user input can always contain non-ASCII Unicode characters, and lowercasing [Unicode](https://unicode.org) works differently in different languages. For example, the string `"I"lowercases to `"i"## ` in English and to `"ı"` (a [dotless i](https://en.wikipedia.org/wiki/Dotless_I)) in Turkish. These rules can also change in each [Unicode release](https://www.unicode.org/releases/), so we have separate [`unicode` package]## (https://github.com/roc-lang/unicode) for Unicode capitalization that can be upgraded independently from the language's builtins.
 ##
 ## To do a case-insensitive comparison of the ASCII characters in a string, use [`caseless_ascii_equals`](#caseless_ascii_equals).
-with_ascii_lowercased: Str -> Str
+with_ascii_lowercased : Str -> Str
 
 expect Str.with_ascii_lowercased "cOFFÉ" == "XYZFÉ"
diff --git a/crates/compiler/test_gen/src/gen_str.rs b/crates/compiler/test_gen/src/gen_str.rs
index c3b02b2684..d28522bc63 100644
--- a/crates/compiler/test_gen/src/gen_str.rs
+++ b/crates/compiler/test_gen/src/gen_str.rs
@@ -2080,7 +2080,7 @@ fn with_ascii_lowercased_non_zero_refcount() {
         r#"
         original = "cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ cOFFÉ"
         res = Str.with_ascii_lowercased original
-        Str.dropPrefix res original
+        Str.drop_prefix res original
         "#,
         RocStr::from("coffÉ coffÉ coffÉ coffÉ coffÉ coffÉ coffÉ coffÉ coffÉ coffÉ coffÉ coffÉ"),
         RocStr