diff --git a/examples/parse_command.rs b/examples/parse_command.rs
index 91e7e77..ed389d1 100644
--- a/examples/parse_command.rs
+++ b/examples/parse_command.rs
@@ -37,7 +37,7 @@ fn main() -> std::io::Result<()> {
 
             let mut line = String::new();
             std::io::stdin().read_line(&mut line)?;
-            line.replace("\n", "\r\n")
+            line.replace('\n', "\r\n")
         };
 
         if line.trim() == "exit" {
diff --git a/src/utils.rs b/src/utils.rs
index 23cf475..0abe161 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -4,11 +4,11 @@ pub(crate) fn escape_quoted(unescaped: &str) -> Cow<str> {
     let mut escaped = Cow::Borrowed(unescaped);
 
     if escaped.contains('\\') {
-        escaped = Cow::Owned(escaped.replace("\\", "\\\\"));
+        escaped = Cow::Owned(escaped.replace('\\', "\\\\"));
     }
 
     if escaped.contains('\"') {
-        escaped = Cow::Owned(escaped.replace("\"", "\\\""));
+        escaped = Cow::Owned(escaped.replace('\"', "\\\""));
     }
 
     escaped