diff --git a/src/realpath.c b/src/realpath.c
index 50da55c1..5a067a4c 100644
--- a/src/realpath.c
+++ b/src/realpath.c
@@ -138,7 +138,7 @@
       ///
       /// So we assume all platforms now support passing NULL.
       /// If you find a platform where this is not the case,
-      /// please add a new implementation with #ifdef's.
+      /// please add a new implementation with ifdef's.
       return realpath(_path, resolved_path);
     }
 #endif