Use backtick instead

INSTALL.md

@@ -764,20 +764,20 @@ over the dependencies.
 
 We will now configure QGIS.
 
-Open a _Developer Command Prompt for VS 2022_
+Open a _Developer PowerShell for VS 2022_
 
 ```ps
 # We assume you have a copy of the QGIS source code available
 # and have changed the working directory into it
 
 # Configure
-cmake -S . ^
-      -B build ^
-      -DSDK_PATH="path/to/vcpkg-export-[date]" ^
-      -DBUILD_WITH_QT6=ON ^
-      -DWITH_QTWEBKIT=OFF ^
-      -DVCPKG_TARGET_TRIPLET=x64-windows-release ^
-      -DFLEX_EXECUTABLE="path/to/flex-executable" ^
+cmake -S . `
+      -B build `
+      -DSDK_PATH="path/to/vcpkg-export-[date]" `
+      -DBUILD_WITH_QT6=ON `
+      -DWITH_QTWEBKIT=OFF `
+      -DVCPKG_TARGET_TRIPLET=x64-windows-release `
+      -DFLEX_EXECUTABLE="path/to/flex-executable" `
       -DBISON_EXECUTABLE="path/to/bison-executable"
 ```
 
@@ -803,12 +803,12 @@ This will require some time, cpu and disk space.
 # and have changed the working directory into it
 
 # Configure
-cmake -S . ^
-      -B build ^
-      -D WITH_VCPKG=ON ^
-      -D BUILD_WITH_QT6=ON ^
-      -D WITH_QTWEBKIT=OFF ^
-      -D VCPKG_TARGET_TRIPLET=x64-windows-release ^
+cmake -S . `
+      -B build `
+      -D WITH_VCPKG=ON `
+      -D BUILD_WITH_QT6=ON `
+      -D WITH_QTWEBKIT=OFF `
+      -D VCPKG_TARGET_TRIPLET=x64-windows-release `
       -D VCPKG_HOST_TRIPLET=x64-windows-release
 ```