diff --git a/djb2.c b/djb2.c
index a468f97..552c540 100644
--- a/djb2.c
+++ b/djb2.c
@@ -1,15 +1,14 @@
 #include <stdio.h>
 
+/*
+ * Simple hash function djb2, as in Daniel J. Berenstein.
+ */
+
 unsigned long djb2(const char *str) {
     unsigned long h = 5381;
     int c;
 
-    while ((c = *str++)) {
-        h = ((h << 5) + h) + c;
-
-        // Essentially equal to:
-        // h = h * 33 + c;
-    }
+    while ((c = *str++)) h = ((h << 5) + h) + c; // h = h * 33 + c;
 
     return h;
 }