opensta, sdc_expand: fix help

Author: widlarizer

techlibs/common/opensta.cc

@@ -16,7 +16,9 @@ struct OpenstaPass : public Pass
 		log("\n");
 		log("    opensta [options]\n");
 		log("\n");
-		// TOOD
+		log("Expand SDC file with OpenSTA.\n");
+		log("Internal command like abc. Requires a well-formed design.\n");
+		log("For general SDC expansion with OpenSTA, use the sdc_expand command.\n");
 		log("\n");
 		log("    -exe <command>\n");
 		log("        use <command> to run OpenSTA instead of \"%s\"\n", default_opensta_cmd);

techlibs/common/sdc_expand.cc

@@ -7,15 +7,16 @@ PRIVATE_NAMESPACE_BEGIN
 
 struct SdcExpandPass : public ScriptPass
 {
-	SdcExpandPass() : ScriptPass("sdc_expand", "run OpenSTA") { }
+	SdcExpandPass() : ScriptPass("sdc_expand", "expand SDC design with opensta") { }
 
 	void help() override
 	{
 		//   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
 		log("\n");
 		log("    sdc_expand [options]\n");
 		log("\n");
-		// TODO
+		log("Expand SDC file with opensta based on arbitrary current design.\n");
+		log("Changes the design but only temporarily.\n");
 		log("\n");
 		log("    -exe <command>\n");
 		log("        use <command> to run OpenSTA instead of \"%s\"\n", default_opensta_cmd);