update the docs to prevent r cmd check fail

Author: e-kotov

R/java_unpack.R

@@ -18,7 +18,8 @@
 #' java_17_distrib <- java_download(version = "17")
 #' java_home <- java_unpack(java_distrib_path = java_17_distrib)
 #' 
-#' # set the JAVA_HOME environment variable in the current session to the cache dir without touching any files in the current project directory
+#' # set the JAVA_HOME environment variable in the current session
+#' # to the cache dir without touching any files in the current project directory
 #' java_env_set(where = "session", java_home = java_home)
 #' }
 #'