SUG: small fixes (Fix #3037)

Author: gzotti

guide/ch_scripting.tex

@@ -23,8 +23,7 @@ \section{Introduction}
 made it possible to write small programs within Stellarium to produce
 automatic presentations, set up custom configurations, and to automate
 repetitive tasks. 
-
-By version 0.14.0 a new scripting engine had reached a level where
+By version 0.14.0 the new scripting engine had reached a level where
 it had all required features for usage, and support of scripts for
 the old \emph{Stratoscript} engine has been discontinued.
 
@@ -46,7 +45,8 @@ \section{Introduction}
 \url{https://www.stellarium.org/doc/\StelSeries/scripting.html}}.
 
 With the adaptation to Qt6 in versions 1.0 and later we had to switch to 
-yet another scripting engine in 2022. Qt6 comes with QJSEngine, another 
+yet another scripting engine in 2022. Qt6 comes with 
+QJSEngine\footnote{\url{https://doc.qt.io/qt-6/qtjavascript.html}}, another 
 JavaScript engine which behaves mostly similar to the older QtScript. 
 However, small differences exist, so that care must be taken if scripts 
 should be developed for both series of Stellarium. Some older scripts