Correct doc string of make_relative_path

diff --git a/ccache.c b/ccache.c
index 1f8ee64eb557000ad0289379773575f04c635a07..3a90bc647e8fc90e3bc4a698b0a012e18eaddf14 100644 (file)
--- a/ccache.c
+++ b/ccache.c
@@ -380,8 +380,8 @@ ignore:
 }
 
 /*
- * Make a relative path from CCACHE_BASEDIR to path. Takes over ownership of
- * path. Caller frees.
+ * Make a relative path from current working directory to path if CCACHE_PREFIX
+ * is a prefix of path. Takes over ownership of path. Caller frees.
  */
 static char *
 make_relative_path(char *path)