diff --git a/STYLE b/STYLE
index 4344991..23cd0c5 100644
--- a/STYLE
+++ b/STYLE
@@ -21,8 +21,16 @@
 
 	return io;
 
-3. Cases in switch statements and matches in match statements should be indented
-   one level
+3. Each block of code should be indented once more than the keyword which
+   initiated the block:
+
+	switch (c) {
+		case 'e': mode |= EQUAL;   break;
+		case 'g': mode |= GREATER; break;
+		case 'l': mode |= LESS;    break;
+		default:  return usage(s);
+	}
+
 4. In C, spaces should be placed in control flow statements after the keyword
    and before the opening brace: