Fix typos of compatibility

doc/topics/releases/2015.5.1.rst

@@ -513,7 +513,7 @@ Extended Changelog Courtesy of Todd Stansell (https://github.com/tjstansell/salt
 
   * e48982f Fix version checking in psutil_compat
 
-  * 93ee411 Create compatability psutil. psutil 3.0 drops 1.0 API, but we still support old psutil versions.
+  * 93ee411 Create compatibility psutil. psutil 3.0 drops 1.0 API, but we still support old psutil versions.
 
 - **PR** `#23782`_: (*terminalmage*) Replace "command -v" with "which" and get rid of spurious log messages
   @ *2015-05-16T04:03:10Z*
@@ -968,7 +968,7 @@ Extended Changelog Courtesy of Todd Stansell (https://github.com/tjstansell/salt
 
   * 73cfda7 Remove unused import
 
-  * 52b68d6 Use the zip_longest from six module for python 3 compatiblity
+  * 52b68d6 Use the zip_longest from six module for python 3 compatibility
 
   * 18d5ff9 Fix salt.state.file._unify_sources_and_hashes when sources is used without sources_hashes
 

salt/states/reg.py

@@ -115,7 +115,7 @@ def present(name,
     - HKEY_USERS or HKU
 
     :param str value: Deprecated. Use vname and vdata instead. Included here for
-    backwards compatability.
+    backwards compatibility.
 
     :param str vname: The name of the value you'd like to create beneath the
     Key. If this parameter is not passed it will assume you want to set the

salt/utils/http.py

@@ -579,7 +579,7 @@ def get_ca_bundle(opts=None):
         # RedHat is also very common
         '/etc/pki/tls/certs/ca-bundle.crt',
         '/etc/pki/tls/certs/ca-bundle.trust.crt',
-        # RedHat's link for Debian compatability
+        # RedHat's link for Debian compatibility
         '/etc/ssl/certs/ca-bundle.crt',
         # Suse has an unusual path
         '/var/lib/ca-certificates/ca-bundle.pem',