diff --git a/doc/book/building/unix b/doc/book/building/unix
index 716917d..bf89e96 100644
--- a/doc/book/building/unix
+++ b/doc/book/building/unix
@@ -1,4 +1,4 @@
-# Building on BSD, Linux, macOS, and outher Inix Targets
+# Building on BSD, Linux, macOS, and outher Unix Targets
 
 RETRO is well supported on BSD (tested on FreeBSD, NetBSD,
 OpenBSD), Linux, and macOS systems. It should build on any
diff --git a/doc/book/general/syntax b/doc/book/general/syntax
index aecf961..dc4713a 100644
--- a/doc/book/general/syntax
+++ b/doc/book/general/syntax
@@ -21,7 +21,7 @@ to guide the compiler. The use of these is a major way in
 which RETRO differs from traditional Forth.
 
 When a token is passed to `interpret`, RETRO first takes the
-intitial character and looks to see if there is a word that
+initial character and looks to see if there is a word that
 matches this. If so, it will pass the rest of the token to
 that word to handle.
 
diff --git a/doc/book/techniques/return-stack b/doc/book/techniques/return-stack
index f65996e..74d4f1c 100644
--- a/doc/book/techniques/return-stack
+++ b/doc/book/techniques/return-stack
@@ -1,7 +1,7 @@
 # The Return Stack
 
 RETRO has two stacks. The primary one is used to pass data
-beween words. The second one primarily holds return addresses.
+between words. The second one primarily holds return addresses.
 
 Each time a word is called, the next address is pushed to
 the return stack.
diff --git a/doc/book/toolchain/info/retro-compiler b/doc/book/toolchain/info/retro-compiler
index 37b1c6d..69eb87e 100644
--- a/doc/book/toolchain/info/retro-compiler
+++ b/doc/book/toolchain/info/retro-compiler
@@ -8,7 +8,7 @@ to generate turnkey executables.
 
 - Unix host
 - ELF executable support
-- `objcpy` in the $PATH
+- `objcopy` in the $PATH
 
 ## Building