--- a/src/http/ngx_http_parse_time.c
+++ b/src/http/ngx_http_parse_time.c
@@ -232,16 +232,22 @@ time_t ngx_http_parse_time(char *value, 
         return NGX_ERROR;
     }
 
-    /* shift new year to 1st March, needed for Gauss's formula */
+    /* shift new year to March 1, needed for Gauss's formula */
+
     if (--month <= 0) {
        month += 12;
        year -= 1;
     }
-           /* Gauss's formula for Grigorian days from 1 March 1 BC */
+
+    /* Gauss's formula for Grigorian days from 1 March 1 BC */
+
     return (365 * year + year / 4 - year / 100 + year / 400
                                                + 367 * month / 12 + day - 31
-           /* 719527 days are between 1 March 1 BC and 1 March 1970,
-              31 and 28 days in Jan and Feb 1970  */
+           /*
+            * 719527 days are between March 1, 1 BC and March 1, 1970,
+            * 31 and 28 days in January and February 1970
+            */
+
             - 719527 + 31 + 28) * 86400 + hour * 3600 + min * 60 + sec;
 }