diff --git a/src/lib/gen/emp_config.c b/src/lib/gen/emp_config.c
index be2af2e9..10cedc8f 100644
--- a/src/lib/gen/emp_config.c
+++ b/src/lib/gen/emp_config.c
@@ -181,6 +181,7 @@ set_paths(char *econfig)
     char *cwd = getcwd(NULL, 0);
 
 #ifdef _WIN32
+    /* normalize path separator to '\\', for easier searching: */
     econfig = _fullpath(NULL, econfig, 0);
     slash = strrchr(econfig, '\\');
     configdir = malloc(slash - econfig + 1);