[Docs] Fix typos

doc/installation.rst

@@ -83,7 +83,7 @@ Or manually like any other PHP extension:
 For Windows:
 
 1. Setup the build environment following the `PHP documentation`_
-2. Put twig C extension source code into ``C:\php-sdk\phpdev\vcXX\x86\php-source-directory\ext\twig``
+2. Put Twig's C extension source code into ``C:\php-sdk\phpdev\vcXX\x86\php-source-directory\ext\twig``
 3. Use the ``configure --disable-all --enable-cli --enable-twig=shared`` command instead of step 14
 4. ``nmake``
 5. Copy the ``C:\php-sdk\phpdev\vcXX\x86\php-source-directory\Release_TS\php_twig.dll`` file to your PHP setup.

doc/tags/extends.rst

@@ -192,7 +192,7 @@ How blocks work?
 A block provides a way to change how a certain part of a template is rendered
 but it does not interfere in any way with the logic around it.
 
-Let's take the following example to illustrate how a block work and more
+Let's take the following example to illustrate how a block works and more
 importantly, how it does not work:
 
 .. code-block:: jinja

doc/tags/from.rst

@@ -1,7 +1,7 @@
 ``from``
 ========
 
-The ``from`` tags import :doc:`macro<../tags/macro>` names into the current
+The ``from`` tag imports :doc:`macro<../tags/macro>` names into the current
 namespace. The tag is documented in detail in the documentation for the
 :doc:`import<../tags/import>` tag.
 

doc/tags/include.rst

@@ -1,7 +1,7 @@
 ``include``
 ===========
 
-The ``include`` statement includes a template and return the rendered content
+The ``include`` statement includes a template and returns the rendered content
 of that file into the current namespace:
 
 .. code-block:: jinja