diff --git a/rust-intro.org b/rust-intro.org
index 69037e1..21a4887 100644
--- a/rust-intro.org
+++ b/rust-intro.org
@@ -35,7 +35,7 @@
    #+END_CENTER
 
 *** Rust, the language
-    - First appearance 2010
+    - First public appearance 2010
     - Rust is the coating closest to the bare metal
     - Memory safe without gcing, optional reference counting
     - Ownership, lifetimes, traits, functional paradigms, zero-cost
@@ -97,6 +97,11 @@
     - [[https://cheats.rs][cheats.rs]]
     - [[https://programming-idioms.org/cheatsheet/Rust][programming-idioms.org]]
 
+** Where to continue?
+*** Further Steps
+    - [[https://www.youtube.com/channel/UC_iD0xppBwwsrM9DegC5cQQ][Jon Gjengset]] (Considering Rust, Crust of Rust, Advanced topics
+      in Rust)
+
 ** Where to share, find help and stay up to date
 *** Online sharing/testing
     - [[https://play.rust-lang.org/][play.rust-lang.org]]
@@ -129,7 +134,7 @@
     fn_call();
     #+END_SRC
 *** Expressions
-    ~false~, ~x + y~, ~fn_call()~, ~if~, ~match~
+    ~()~, ~false~, ~x + y~, ~fn_call()~, ~if~, ~match~
 *** Example
     #+BEGIN_SRC rust
     let bool_value = true;
@@ -478,7 +483,7 @@
     #+END_SRC
 
 ** Docs
-   - Cargo help: ~cargo --help~ and ~cargo [SUBCOMMAND] --help~
+   - Cargo help: ~$ cargo --help~ and ~$ cargo [SUBCOMMAND] --help~
    - [[https://doc.rust-lang.org/cargo/index.html][The Cargo Book]] (~$ rustup docs --cargo~)
    - Guillaume Gomez: [[https://blog.guillaume-gomez.fr/articles/2020-03-12+Guide+on+how+to+write+documentation+for+a+Rust+crate][Guide on how to write documentation for a Rust
      crate]]
@@ -571,8 +576,8 @@
     - [[https://tokio.rs/][tokio]]
 
 ** Parsing/Encoding
-  - clap: The command line argument parser (if starting a new project
-    I would use v3.0.0-beta)
+  - clap: The command line argument parser (use v3.0.0-beta when
+    starting a new project)
   - [[https://serde.rs/][serde]]
   - nom
   - [[https://pest.rs/][pest]]
@@ -587,7 +592,6 @@
 
 ** Logging
    - log: a lightweight logging facade
-
    - env_logger
    - simple_logger
    - simplelog
@@ -695,14 +699,15 @@
      - ~unsafe~ Rust
 
 * Footnotes
-[fn:rust_fungus] [[https://commons.wikimedia.org/wiki/File:Bruine_roest_op_tarwe_(Puccinia_recondita_f.sp._tritici_on_Triticum_aestivum).jpg][Wikimedia]]
+[fn:rust_fungus] [[https://commons.wikimedia.org/wiki/File:Bruine_roest_op_tarwe_(Puccinia_recondita_f.sp._tritici_on_Triticum_aestivum).jpg][Wikimedia]] (Puccinia recondita f.sp. tritici)
 [fn:strengths] Copied list from: [[https://cheats.rs/#tab-hello-3][cheats.rs]].
 [fn:weaknesses] Copied list from: [[https://cheats.rs/#tab-hello-4][cheats.rs]].
 [fn:lwn_gcc] [[https://lwn.net/Articles/871283/][Rust and GCC, two different ways]]
 [fn:gcc] Work on GCC: [[https://rust-gcc.github.io/][rust-gcc]] and [[https://news.ycombinator.com/item?id=27775544][gcc rust backend]].
 [fn:survey] [[https://blog.rust-lang.org/2020/04/17/Rust-survey-2019.html#why-not-use-rust][Rust survey]]
 [fn:compiler_speed] [[https://news.ycombinator.com/item?id=23538220][The Rust compiler isn't slow; we are]]
-[fn:specification] [[https://people.mpi-sws.org/%7Ejung/thesis.html][Understanding and Evolving the Rust Programming Language]]
+[fn:specification] [[https://people.mpi-sws.org/%7Ejung/thesis.html][Understanding and Evolving the Rust Programming
+Language]]
 [fn:xkcd_dangling_pointer] [[https://xkcd.com/371/][xkcd.com/371]]
 [fn:reference_loops] [[https://doc.rust-lang.org/reference/expressions/loop-expr.html][Rust Reference: Loops]]
 [fn:areweideyet] [[https://areweideyet.com/][areweideyet.com]]