diff --git a/doc/src/faq.rst b/doc/src/faq.rst
index b8e175fe..a7374312 100644
--- a/doc/src/faq.rst
+++ b/doc/src/faq.rst
@@ -328,7 +328,7 @@ Psycopg 2.8 fails to install, Psycopg 2.7 was working fine.
 
 I can't compile `!psycopg2`: the compiler says *error: Python.h: No such file or directory*. What am I missing?
     You need to install a Python development package: it is usually called
-    ``python-dev``.
+    ``python-dev`` or ``python3-dev`` according to your Python version.
 
 
 .. _faq-libpq-fe-h:
diff --git a/doc/src/install.rst b/doc/src/install.rst
index b9da0229..8cebee0f 100644
--- a/doc/src/install.rst
+++ b/doc/src/install.rst
@@ -64,8 +64,9 @@ it from sources you will need:
 - A C compiler.
 
 - The Python header files. They are usually installed in a package such as
-  **python-dev**. A message such as *error: Python.h: No such file or
-  directory* is an indication that the Python headers are missing.
+  **python-dev** or **python3-dev**. A message such as *error: Python.h: No
+  such file or directory* is an indication that the Python headers are
+  missing.
 
 - The libpq header files. They are usually installed in a package such as
   **libpq-dev**. If you get an *error: libpq-fe.h: No such file or directory*