diff --git a/doc/cmake.dox b/doc/cmake.dox
index 524086e17..cea2328cb 100644
--- a/doc/cmake.dox
+++ b/doc/cmake.dox
@@ -103,7 +103,7 @@ Platform namespace is split into more components:
 -   `%WindowlessWglApplication` -- @ref Platform::WindowlessWglApplication "WindowlessWglApplication"
 
 For manual context creation (without application wrappers) there are also
-platform-specific context libraries (see @ref platfom-custom for more
+platform-specific context libraries (see @ref platform-custom for more
 information):
 
 -   `CglContext` -- CGL context
diff --git a/doc/opengl-support.dox b/doc/opengl-support.dox
index 1dbe88f94..48ce39b86 100644
--- a/doc/opengl-support.dox
+++ b/doc/opengl-support.dox
@@ -108,7 +108,7 @@ following:
 %Extension                                   | Status
 -------------------------------------------- | ------
 @extension{ARB,instanced_arrays}             | done
-@extension{ARB,blend_func_extended}          | missing limit query
+@extension{ARB,blend_func_extended}          | done
 @extension{ARB,explicit_attrib_location}     | done (shading language only)
 @extension{ARB,occlusion_query2}             | done
 @extension{ARB,sampler_objects}              | |
diff --git a/src/Magnum/AbstractFramebuffer.h b/src/Magnum/AbstractFramebuffer.h
index 625e453c8..c3c11c26e 100644
--- a/src/Magnum/AbstractFramebuffer.h
+++ b/src/Magnum/AbstractFramebuffer.h
@@ -195,8 +195,8 @@ class MAGNUM_EXPORT AbstractFramebuffer {
          * @brief Max supported dual-source draw buffer count
          *
          * The result is cached, repeated queries don't result in repeated
-         * OpenGL calls. If extension @extension{ARB,blend_func_extended} is
-         * not available, returns `0`.
+         * OpenGL calls. If extension @extension{ARB,blend_func_extended} (part
+         * of OpenGL 3.3) is not available, returns `0`.
          * @see @ref DefaultFramebuffer::mapForDraw(), @ref Framebuffer::mapForDraw(),
          *      @fn_gl{Get} with @def_gl{MAX_DUAL_SOURCE_DRAW_BUFFERS}
          * @requires_gl Multiple blending inputs are not available in
diff --git a/src/Magnum/Framebuffer.h b/src/Magnum/Framebuffer.h
index 9741d1a88..eceb3e023 100644
--- a/src/Magnum/Framebuffer.h
+++ b/src/Magnum/Framebuffer.h
@@ -293,8 +293,8 @@ class MAGNUM_EXPORT Framebuffer: public AbstractFramebuffer, public AbstractObje
          * @brief Max supported color attachment count
          *
          * The result is cached, repeated queries don't result in repeated
-         * OpenGL calls. If ES extension @extension{NV,fbo_color_attachments}
-         * is not available, returns `0`.
+         * OpenGL calls. If neither OpenGL ES 3.0 nor ES extension
+         * @extension{NV,fbo_color_attachments} is available, returns `0`.
          * @see @ref mapForDraw(), @fn_gl{Get} with @def_gl{MAX_COLOR_ATTACHMENTS}
          */
         static Int maxColorAttachments();
diff --git a/src/Magnum/Renderbuffer.h b/src/Magnum/Renderbuffer.h
index c5bfe4b4f..3173e3d6d 100644
--- a/src/Magnum/Renderbuffer.h
+++ b/src/Magnum/Renderbuffer.h
@@ -75,9 +75,9 @@ class MAGNUM_EXPORT Renderbuffer: public AbstractObject {
          * @brief Max supported sample count
          *
          * The result is cached, repeated queries don't result in repeated
-         * OpenGL calls. If ES extension @es_extension{ANGLE,framebuffer_multisample}
-         * or @es_extension{NV,framebuffer_multisample} is not available,
-         * returns `0`.
+         * OpenGL calls. If neither OpenGL ES 3.0 nor ES extension
+         * @es_extension{ANGLE,framebuffer_multisample} /
+         * @es_extension{NV,framebuffer_multisample} is available, returns `0`.
          * @see @ref setStorageMultisample(), @fn_gl{Get} with @def_gl{MAX_SAMPLES}
          */
         static Int maxSamples();
diff --git a/src/Magnum/Renderer.h b/src/Magnum/Renderer.h
index e69e8f3c4..bbaddfd24 100644
--- a/src/Magnum/Renderer.h
+++ b/src/Magnum/Renderer.h
@@ -452,8 +452,8 @@ class MAGNUM_EXPORT Renderer {
          *
          * Initial value is `1.0f`.
          * @see @ref Feature::ProgramPointSize, @fn_gl{PointSize}
-         * @requires_gl In OpenGL ES use `gl_PointSize` builtin vertex shader
-         *      variable.
+         * @requires_gl Use `gl_PointSize` builtin vertex shader variable in
+         *      OpenGL ES instead.
          */
         static void setPointSize(Float size);
         #endif
diff --git a/src/Magnum/TextureArray.h b/src/Magnum/TextureArray.h
index 78630806d..f4865b588 100644
--- a/src/Magnum/TextureArray.h
+++ b/src/Magnum/TextureArray.h
@@ -400,13 +400,19 @@ template<UnsignedInt dimensions> class TextureArray: public AbstractTexture {
 /**
 @brief One-dimensional texture array
 
+@requires_gl30 %Extension @extension{EXT,texture_array}
 @requires_gl Only @ref Magnum::Texture2DArray "Texture2DArray" is available in
     OpenGL ES.
 */
 typedef TextureArray<1> Texture1DArray;
 #endif
 
-/** @brief Two-dimensional texture array */
+/**
+@brief Two-dimensional texture array
+
+@requires_gl30 %Extension @extension{EXT,texture_array}
+@requires_gles30 %Array textures are not available in OpenGL ES 2.0.
+*/
 typedef TextureArray<2> Texture2DArray;
 
 }