diff --git a/otouto/plugins/calc.lua b/otouto/plugins/calc.lua
index f43adf7..169acce 100644
--- a/otouto/plugins/calc.lua
+++ b/otouto/plugins/calc.lua
@@ -15,7 +15,7 @@ function calc:init(config)
 end
 
 function calc:mathjs(exp)
-  local exp = string.gsub(exp, ",", "%.")
+  local exp = string.gsub(exp, ",", ".")
   local url = 'http://api.mathjs.org/v1/'
   url = url..'?expr='..URL.escape(exp)
   local b,c = http.request(url)
diff --git a/otouto/plugins/echo.lua b/otouto/plugins/echo.lua
index b59133d..7018ac8 100644
--- a/otouto/plugins/echo.lua
+++ b/otouto/plugins/echo.lua
@@ -7,7 +7,8 @@ echo.command = 'echo <Text>'
 function echo:init(config)
 	echo.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('echo', true).table
 	echo.inline_triggers = {
-	  "^e (.*)"
+	  "^e (.+)",
+	  "^bold (.+)"
 	}
 	echo.doc = [[*
 ]]..config.cmd_pat..[[echo* _<Text>_: Gibt den Text aus]]