Add some more targets to the Makefile
diff --git a/Makefile b/Makefile
index 3ca4492..1adb136 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
 # Targets available via Rustup that are supported.
-TARGETS ?= "x86_64-apple-darwin" "x86_64-unknown-freebsd" "x86_64-unknown-linux-gnu" "x86_64-pc-windows-gnu"
+TARGETS ?= "aarch64-apple-ios" "aarch64-linux-android" "x86_64-apple-darwin" "x86_64-pc-windows-msvc" "x86_64-sun-solaris" "x86_64-unknown-freebsd" "x86_64-unknown-linux-gnu" "x86_64-unknown-netbsd"
 
 test:
 	cargo test --all-features
 
-# Test everythubg for the current OS/architecture and check for all targets in
+# Test everything for the current OS/architecture and check all targets in
 # $TARGETS.
 test_all: check_all_targets
 	cargo hack test --feature-powerset --skip guide,extra-docs,tcp,udp,uds,pipe,os-util
@@ -15,6 +15,7 @@
 $(TARGETS):
 	cargo hack check --target $@ --feature-powerset --skip guide,extra-docs,tcp,udp,uds,pipe,os-util
 
+# Installs all required targets for `check_all_targets`.
 install_targets:
 	rustup target add $(TARGETS)