diff --git a/proxmox-api-macro/src/util.rs b/proxmox-api-macro/src/util.rs
index 97481313..d5488def 100644
--- a/proxmox-api-macro/src/util.rs
+++ b/proxmox-api-macro/src/util.rs
@@ -417,7 +417,7 @@ pub fn get_doc_comments(attributes: &[syn::Attribute]) -> Result<(String, Span),
         if attr.path.is_ident("doc") {
             let doc: BareAssignment<syn::LitStr> = syn::parse2(attr.tokens.clone())?;
             if !doc_comment.is_empty() {
-                doc_comment.push_str("\n");
+                doc_comment.push('\n');
             }
             doc_comment.push_str(doc.content.value().trim());
         }
diff --git a/proxmox/src/api/schema.rs b/proxmox/src/api/schema.rs
index ba65cbcb..fc3cb159 100644
--- a/proxmox/src/api/schema.rs
+++ b/proxmox/src/api/schema.rs
@@ -58,7 +58,7 @@ impl fmt::Display for ParameterError {
             let s = item.to_string();
             msg.reserve(s.len() + 1);
             msg.push_str(&s);
-            msg.push_str("\n");
+            msg.push('\n');
         }
 
         write!(f, "{}", msg)