tweak comment

diff --git a/src/rm.c b/src/rm.c
index 0ef0798ba32c62b3c327ac347b3199ca9885e426..a6383b37d47518106af32f1bb650fa0fcd1280a9 100644 (file)
--- a/src/rm.c
+++ b/src/rm.c
@@ -382,8 +382,8 @@ full_filename (const char *filename)
   if (n_bytes_needed > n_allocated)
     {
       /* This code requires that realloc accept NULL as the first arg.
-         This function cannot use xrealloc.  Otherwise, out-of-memory
-        errors involving a file name to be expanded here wouldn't ever
+         This function must not use xrealloc.  Otherwise, an out-of-memory
+        error involving a file name to be expanded here wouldn't ever
         be issued.  Use realloc and fall back on using a static buffer
         if memory allocation fails.  */
       buf = realloc (buf, n_bytes_needed);