[Docs][NFC] Format some docs (#24495)

Author: kripken

site/source/docs/tools_reference/emsdk.rst

@@ -124,7 +124,8 @@ The following topics explain how to perform both common and advanced maintenance
 How do I just get the latest SDK release?
 -----------------------------------------
 
-Use the ``update`` argument to fetch the current registry of available tools, and then specify the ``latest`` install target to get the most recent SDK: ::
+Use the ``update`` argument to fetch the current registry of available tools,
+and then specify the ``latest`` install target to get the most recent SDK: ::
 
   # Fetch the latest registry of available tools.
   ./emsdk update
@@ -138,17 +139,19 @@ Use the ``update`` argument to fetch the current registry of available tools, an
 How do I install a specific version?
 ------------------------------------
 
-Use the commands above, replacing ``latest`` with the version you want, for example: ::
+Use the commands above, replacing ``latest`` with the version you want, for
+example: ::
 
   ./emsdk install 4.0.7
   ./emsdk activate 4.0.7
 
 (you may need to do ``./emsdk update`` before).
 
 Each release also has an *asserts version* which is built with more runtime
-checks in LLVM and Binaryen. This can be useful if you think you have encountered a bug in one of these tools. The names of
-asserts versions are the same as release versions, with an added suffix of
-``-asserts``, e.g. ``4.0.7-asserts``, which you can use with: ::
+checks in LLVM and Binaryen. This can be useful if you think you have
+encountered a bug in one of these tools. The names of asserts versions are the
+same as release versions, with an added suffix of ``-asserts``, e.g.,
+``4.0.7-asserts``, which you can use with: ::
 
   ./emsdk install 4.0.7-asserts
   ./emsdk activate 4.0.7-asserts