diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.1.1.2
+
+- alcIsExtensionSupported doesn’t exist; it’s a typo. Renamed
+  alcIsExtensionPresent.
+
 ## 0.1.1.1
 
 - Fixed a few bugs about architecture compilation.
diff --git a/al.cabal b/al.cabal
--- a/al.cabal
+++ b/al.cabal
@@ -1,23 +1,23 @@
 name:                al
-version:             0.1.1.1
+version:             0.1.1.2
 synopsis:            OpenAL 1.1 raw API.
-description:         __OpenAL__ is a minimalistic sound API that aims to provide
+description:         OpenAL is a minimalistic sound API that aims to provide
                      bare features for /spacialized audio/. The API looks like
-                     the *OpenGL* one, thus the libs are pretty great together.
+                     the OpenGL one, thus the libs are pretty great together.
 
                      Up to now, no OpenAL extension is supported. You're highly
                      invited to contribute ;).
 
-                     __EAX__ is not supported yet eiher. It'll be embedded in
+                     EAX is not supported yet eiher. It'll be embedded in
                      future releases, soon.
 
-                     __IMPORTANT__: In order to build and install "al", you'll
+                     IMPORTANT: In order to build and install "al", you'll
                      need to pass the path of the /include/ and /libs/ directory
                      of your OpenAL installation.
 
                      Then use this to install:
 
-                     @ cabal install --extra-include-dirs=path_to_include --extr-lib-dirs=path_to_libs @
+                     @ cabal install --extra-include-dirs=path_to_include --extra-lib-dirs=path_to_libs @
 license:             BSD3
 license-file:        LICENSE
 author:              Dimitri Sabadie <dimitri.sabadie@gmail.com>
diff --git a/src/Sound/ALC/Extensions.chs b/src/Sound/ALC/Extensions.chs
--- a/src/Sound/ALC/Extensions.chs
+++ b/src/Sound/ALC/Extensions.chs
@@ -15,6 +15,6 @@
 import Sound.AL.Types
 import Sound.ALC.Types
 
-foreign import CALLCV "alcIsExtensionSupported" alcIsExtensionSupported :: Ptr ALCdevice -> Ptr ALubyte -> IO ALboolean
+foreign import CALLCV "alcIsExtensionPresent" alcIsExtensionPresent :: Ptr ALCdevice -> Ptr ALubyte -> IO ALboolean
 foreign import CALLCV "alcGetProcAddress" alcGetProcAddress :: Ptr ALCdevice -> Ptr ALubyte -> IO (Ptr ALvoid)
 foreign import CALLCV "alcGetEnumValue" alcGetEnumValue :: Ptr ALCdevice -> Ptr ALubyte -> IO ALenum