Updated comment

1 files changed, 2 insertions, 1 deletions

diff --git a/vm.c b/vm.c
index 6200e1b..a936f7a 100644
--- a/vm.c
+++ b/vm.c
@@ -32,7 +32,8 @@ __attribute__((nonnull, pure))
 static match_t *get_capture_by_name(match_t *m, const char *name);
 
 //
-// UTF8-compliant char iteration
+// Return the location of the next character or UTF8 codepoint.
+// (i.e. skip forward one codepoint at a time, not one byte at a time)
 //
 static inline const char *next_char(file_t *f, const char *str)
 {