diff --git a/src/conditional-compilation.md b/src/conditional-compilation.md
index 6966cec4f..13d85cfe5 100644
--- a/src/conditional-compilation.md
+++ b/src/conditional-compilation.md
@@ -337,6 +337,14 @@ let machine_kind = if cfg!(unix) {
 println!("I'm running on a {} machine!", machine_kind);
 ```
 
+## Caveats
+
+Conditional compilation, be it features or targets, require an exponential number of configurations and test cases to be properly covered. By default, testing, linting, Miri, docs and others will only run on the default set of features and for the current platform.
+
+Having a CI job per target can help with linting, testing and building for all targets. There are also some tools that accept a `--target` flag for cross compilation.
+
+For feature coverage, there are certain tools like [cargo-hack](https://github.com/taiki-e/cargo-hack) and [cargo-all-features](https://github.com/frewsxcv/cargo-all-features) that allow you to test all combinations of features which can help reduce the amount of configuraton needed.
+
 [IDENTIFIER]: identifiers.md
 [RAW_STRING_LITERAL]: tokens.md#raw-string-literals
 [STRING_LITERAL]: tokens.md#string-literals