diff --git a/LogarithmPlotter/i18n/lp_en.ts b/LogarithmPlotter/i18n/lp_en.ts
index e3847cf..91b0e51 100644
--- a/LogarithmPlotter/i18n/lp_en.ts
+++ b/LogarithmPlotter/i18n/lp_en.ts
@@ -1629,7 +1629,7 @@ Please make sure your LaTeX installation is correct and report a bug if so.
-
+ Usage: %1
@@ -1637,27 +1637,28 @@ Please make sure your LaTeX installation is correct and report a bug if so.
-
+ Usage: %1 or
+%2
-
+ integral(<from: number>, <to: number>, <f: ExecutableObject>)
-
+ integral(<from: number>, <to: number>, <f: string>, <variable: string>)
-
+ derivative(<f: ExecutableObject>, <x: number>)
-
+ derivative(<f: string>, <variable: string>, <x: number>)