diff --git a/docs/CommandGuide/gccas.html b/docs/CommandGuide/gccas.html
index a0bafcc..67a270c 100644
--- a/docs/CommandGuide/gccas.html
+++ b/docs/CommandGuide/gccas.html
@@ -44,6 +44,17 @@
 	Disable the inlining pass.  By default, it is enabled.
 	<p>
 
+	<li> -disable-opt
+	<br>
+  Disable all assemble-time optimization passes.
+	<p>
+
+	<li>-enable-correct-eh-support
+	<br>
+	Instruct the -lowerinvoke pass to insert code for correct exception handling
+  support.  This is expensive and is by default omitted for efficiency.
+	<p>
+
 	<li> -stats
 	<br>
 	Print statistics.