diff --git a/src/script/api/script_asyncmode.hpp b/src/script/api/script_asyncmode.hpp
index 8f95cbb1ef..ba8014b86d 100644
--- a/src/script/api/script_asyncmode.hpp
+++ b/src/script/api/script_asyncmode.hpp
@@ -39,11 +39,6 @@ public:
 	 */
 	ScriptAsyncMode(HSQUIRRELVM vm);
 #else
-	/**
-	 * Generate a text from string. You can set parameters to the instance which
-	 *  can be required for the string.
-	 * @param string The string of the text.
-	 */
 	/**
 	 * Creating instance of this class switches the build mode to Asynchronous or Non-Asynchronous (normal).
 	 * @note When the instance is destroyed, it restores the mode that was
@@ -54,7 +49,7 @@ public:
 #endif /* DOXYGEN_API */
 
 	/**
-	 * Destroying this instance reset the building mode to the mode it was
+	 * Destroying this instance resets the asynchronous mode to the mode it was
 	 *   in when the instance was created.
 	 */
 	~ScriptAsyncMode();
diff --git a/src/script/api/script_object.cpp b/src/script/api/script_object.cpp
index bff12ca46d..157c35b7ee 100644
--- a/src/script/api/script_object.cpp
+++ b/src/script/api/script_object.cpp
@@ -356,7 +356,7 @@ ScriptObject::ActiveInstance::~ActiveInstance()
 	/* Are we only interested in the estimate costs? */
 	bool estimate_only = GetDoCommandMode() != nullptr && !GetDoCommandMode()();
 
-	/* Are we only interested in the estimate costs? */
+	/* Should the command be executed asynchronously? */
 	bool asynchronous = GetDoCommandAsyncMode() != nullptr && GetDoCommandAsyncMode()() && GetActiveInstance()->GetScriptType() == ST_GS;
 
 	/* Only set p2 when the command does not come from the network. */