diff --git a/docs/BUILD.gn b/docs/BUILD.gn
index b35db1e..3c1baae 100644
--- a/docs/BUILD.gn
+++ b/docs/BUILD.gn
@@ -61,7 +61,10 @@
     "$dir_pw_bytes:docs",
     "$dir_pw_checksum:docs",
     "$dir_pw_chrono:docs",
+    "$dir_pw_chrono_embos:docs",
+    "$dir_pw_chrono_freertos:docs",
     "$dir_pw_chrono_stl:docs",
+    "$dir_pw_chrono_threadx:docs",
     "$dir_pw_cli:docs",
     "$dir_pw_containers:docs",
     "$dir_pw_cpu_exception:docs",
@@ -114,6 +117,9 @@
     "$dir_pw_sys_io_stdio:docs",
     "$dir_pw_target_runner:docs",
     "$dir_pw_thread:docs",
+    "$dir_pw_thread_embos:docs",
+    "$dir_pw_thread_freertos:docs",
+    "$dir_pw_thread_stl:docs",
     "$dir_pw_thread_threadx:docs",
     "$dir_pw_tokenizer:docs",
     "$dir_pw_toolchain:docs",
diff --git a/pw_chrono_threadx/docs.rst b/pw_chrono_threadx/docs.rst
index 8b83a2b..419eb00 100644
--- a/pw_chrono_threadx/docs.rst
+++ b/pw_chrono_threadx/docs.rst
@@ -1,6 +1,6 @@
 .. _module-pw_chrono_threadx:
 
--=---------------
+-----------------
 pw_chrono_threadx
 -----------------
 ``pw_chrono_threadx`` is a collection of ``pw_chrono`` backends that are
@@ -22,8 +22,8 @@
 ``tx_time_set()`` is used.
 
 .. warning::
-Note that this is not compatible with TX_NO_TIMER as this disables
-``tx_time_get()``.
+  Note that this is not compatible with TX_NO_TIMER as this disables
+  ``tx_time_get()``.
 
 Build targets
 -------------