diff --git a/src/TextMateSharp/Internal/Grammars/Token.cs b/src/TextMateSharp/Internal/Grammars/Token.cs
index 7bb40a7..7528c1e 100644
--- a/src/TextMateSharp/Internal/Grammars/Token.cs
+++ b/src/TextMateSharp/Internal/Grammars/Token.cs
@@ -31,7 +31,7 @@ public override string ToString()
             s.Append(EndIndex);
             s.Append(", scopes: ");
             s.Append(string.Join(", ", Scopes));
-            s.Append("}");
+            s.Append('}');
             return s.ToString();
         }
     }
diff --git a/src/TextMateSharp/Model/DecodeMap.cs b/src/TextMateSharp/Model/DecodeMap.cs
index e2f43db..36b7bd6 100644
--- a/src/TextMateSharp/Model/DecodeMap.cs
+++ b/src/TextMateSharp/Model/DecodeMap.cs
@@ -68,7 +68,7 @@ public string GetToken(Dictionary<int, bool> tokenMap)
                     }
                     else
                     {
-                        result.Append(".");
+                        result.Append('.');
                         result.Append(this._tokenIdToToken[i]);
                     }
                 }