diff --git a/README.md b/README.md
index f8cfdd7..4bd6a2c 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ UIFont *myFont = [UIFont dynamicFontWithName:@"Courier" baseSize:16.0f];
 NSInteger textDelta = [[UIApplication sharedApplication] preferredFontSizeDelta];
 ```
 
-## AttributedText Support
+## `NSAttributedString` Support
 
 SSDynamicText supports attributed text, all you have to do is set your attributed text to new property dynamicAttributedText.
 
diff --git a/SSDynamicText/NSAttributedString+SSTextSize.h b/SSDynamicText/NSAttributedString+SSTextSize.h
index 47a791a..599f071 100644
--- a/SSDynamicText/NSAttributedString+SSTextSize.h
+++ b/SSDynamicText/NSAttributedString+SSTextSize.h
@@ -1,6 +1,6 @@
 //
 //  NSAttributedString+SSTextSize.h
-//  Pods
+//  SSDynamicText
 //
 //  Created by Remigiusz Herba on 28/08/15.
 //
@@ -10,6 +10,13 @@
 
 @interface NSAttributedString (SSTextSize)
 
+/**
+ * Creates NSAttributedString with each font size changed by delta
+ * @param delta The size by which you want to change the font.
+ * A negative number will decrease font size.
+ * A positive number will increase font size.
+ * @return new NSAttributedString object with font size changed by delta.
+ */
 - (NSAttributedString *)ss_attributedStringWithAdjustedFontSizeWithDelta:(NSInteger)delta;
 
 @end
diff --git a/SSDynamicText/NSAttributedString+SSTextSize.m b/SSDynamicText/NSAttributedString+SSTextSize.m
index cf5e0ca..faed3a8 100644
--- a/SSDynamicText/NSAttributedString+SSTextSize.m
+++ b/SSDynamicText/NSAttributedString+SSTextSize.m
@@ -1,6 +1,6 @@
 //
 //  NSAttributedString+SSTextSize.m
-//  Pods
+//  SSDynamicText
 //
 //  Created by Remigiusz Herba on 28/08/15.
 //
diff --git a/SSDynamicText/SSDynamicAttributedTextSizable.h b/SSDynamicText/SSDynamicAttributedTextSizable.h
index 38c0e85..1eb0cfe 100644
--- a/SSDynamicText/SSDynamicAttributedTextSizable.h
+++ b/SSDynamicText/SSDynamicAttributedTextSizable.h
@@ -1,6 +1,6 @@
 //
 //  SSDynamicAttributedTextSizable.h
-//  Pods
+//  SSDynamicText
 //
 //  Created by Remigiusz Herba on 15/09/15.
 //
@@ -10,12 +10,16 @@
 
 @protocol SSDynamicAttributedTextSizable <NSObject>
 
-/*
- TextView and TextField sometimes calls setAttributedText even when we work with normal Text. 
- Framework is using it under the hood sometimes after layouts or even setText calls it. Because of that we cannot override
- default attributeText setter to change font, sometimes it change font at random.
+/**
+ * TextView and TextField sometimes calls setAttributedText even when we work with normal Text.
+ * Framework is using it under the hood sometimes after layouts or even setText calls it. Because of that we cannot override
+ * default attributeText setter to change font, sometimes it change font at random.
+ *
+ * This is used to set attributedText which will be dynamicaly changed with font size changes.
+ * Updating this will change attributedText to dynamicAttributedText + font sizes changed with delta.
+ * @return original dynamicAttributedText value. To check current attributedText font sizes use @property attributedText
+ *
  */
-
 @property (nonatomic, copy) NSAttributedString *dynamicAttributedText;
 
 @end
diff --git a/SSDynamicText/SSDynamicButton.h b/SSDynamicText/SSDynamicButton.h
index 39507d2..cd4f0e5 100644
--- a/SSDynamicText/SSDynamicButton.h
+++ b/SSDynamicText/SSDynamicButton.h
@@ -8,8 +8,8 @@
 
 #import <UIKit/UIKit.h>
 
-/*
- While creating this button in xib, don't forget to change it type to Custom !!
+/**
+ * While creating this button in xib, don't forget to change it type to Custom !!
  */
 @interface SSDynamicButton : UIButton
 
diff --git a/SSDynamicText/SSDynamicButton.m b/SSDynamicText/SSDynamicButton.m
index 9eb45ea..ea88edf 100644
--- a/SSDynamicText/SSDynamicButton.m
+++ b/SSDynamicText/SSDynamicButton.m
@@ -49,6 +49,7 @@ - (instancetype)initWithFrame:(CGRect)frame {
 - (void)awakeFromNib {
     [super awakeFromNib];
 
+    NSAssert(self.buttonType == UIButtonTypeCustom, @"Change SSDynamicButton.buttonType to UIButtonTypeCustom in your nib");
     NSString *fontName;
     CGFloat baseSize = 0;
 
diff --git a/SSDynamicText/SSDynamicLabel.m b/SSDynamicText/SSDynamicLabel.m
index b7049fd..3b47401 100644
--- a/SSDynamicText/SSDynamicLabel.m
+++ b/SSDynamicText/SSDynamicLabel.m
@@ -37,7 +37,7 @@ - (void)setFont:(UIFont *)font {
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if ((self = [super initWithFrame:frame])) {
-        [self startObservingTextSizeChanged];
+        [self startObservingTextSizeChanges];
     }
     
     return self;
@@ -47,7 +47,7 @@ - (void)awakeFromNib {
     [super awakeFromNib];
 
     [self setupBaseFontBasedOnCurrentFont];
-    [self startObservingTextSizeChanged];
+    [self startObservingTextSizeChanges];
 }
 
 + (instancetype)labelWithFont:(NSString *)fontName baseSize:(CGFloat)size {
@@ -100,7 +100,7 @@ - (void)setupBaseFontBasedOnCurrentFont {
                                                                       size:baseSize]);
 }
 
-- (void)startObservingTextSizeChanged {
+- (void)startObservingTextSizeChanges {
     [self ss_startObservingTextSizeChangesWithBlock:self.textSizeChanger.changeHandler];
 }
 
diff --git a/SSDynamicText/SSDynamicTextField.m b/SSDynamicText/SSDynamicTextField.m
index 32654e3..4710b58 100644
--- a/SSDynamicText/SSDynamicTextField.m
+++ b/SSDynamicText/SSDynamicTextField.m
@@ -37,7 +37,7 @@ - (void)setFont:(UIFont *)font {
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if ((self = [super initWithFrame:frame])) {
-        [self startObservingTextSizeChanged];
+        [self startObservingTextSizeChanges];
     }
     
     return self;
@@ -47,7 +47,7 @@ - (void)awakeFromNib {
     [super awakeFromNib];
 
     [self setupBaseFontBasedOnCurrentFont];
-    [self startObservingTextSizeChanged];
+    [self startObservingTextSizeChanges];
 }
 
 + (instancetype)textFieldWithFont:(NSString *)fontName baseSize:(CGFloat)size {
@@ -100,7 +100,7 @@ - (void)setupBaseFontBasedOnCurrentFont {
                                                                       size:baseSize]);
 }
 
-- (void)startObservingTextSizeChanged {
+- (void)startObservingTextSizeChanges {
     [self ss_startObservingTextSizeChangesWithBlock:self.textSizeChanger.changeHandler];
 }
 
diff --git a/SSDynamicText/SSDynamicTextSizeChanger.h b/SSDynamicText/SSDynamicTextSizeChanger.h
index 74789e9..d4665b0 100644
--- a/SSDynamicText/SSDynamicTextSizeChanger.h
+++ b/SSDynamicText/SSDynamicTextSizeChanger.h
@@ -1,6 +1,6 @@
 //
 //  SSDynamicTextSizeChanger.h
-//  Pods
+//  SSDynamicText
 //
 //  Created by Remigiusz Herba on 15/09/15.
 //
@@ -12,10 +12,26 @@
 
 @interface SSDynamicTextSizeChanger : NSObject <SSDynamicAttributedTextSizable>
 
+/**
+ * The default font descriptor used by view.
+ * Its size is adjusted up (or down) based on the user's preferred text size.
+ * Updating this will change the view's font.
+ */
 @property (nonatomic, strong) UIFontDescriptor *defaultFontDescriptor;
+
+/**
+ * The default block called by view when font size change.
+ */
 @property (nonatomic, readonly) SSTextSizeChangedBlock changeHandler;
 
+/**
+ * Block which is called when SSDynamicTextSizeChanger want to change font, view should configure this block.
+ */
 @property (nonatomic, copy) void(^fontChangeBlock)(UIFont *font);
+
+/**
+ * Block which is called when SSDynamicTextSizeChanger want to change attributedText, view should configure this block.
+ */
 @property (nonatomic, copy) void(^attributedTextChangeBlock)(NSAttributedString *attributedString);
 
 @end
diff --git a/SSDynamicText/SSDynamicTextSizeChanger.m b/SSDynamicText/SSDynamicTextSizeChanger.m
index 44ebae5..2a1e987 100644
--- a/SSDynamicText/SSDynamicTextSizeChanger.m
+++ b/SSDynamicText/SSDynamicTextSizeChanger.m
@@ -1,6 +1,6 @@
 //
 //  SSDynamicTextSizeChanger.m
-//  Pods
+//  SSDynamicText
 //
 //  Created by Remigiusz Herba on 15/09/15.
 //
diff --git a/SSDynamicText/SSDynamicTextView.m b/SSDynamicText/SSDynamicTextView.m
index e8a844b..d20ddbc 100644
--- a/SSDynamicText/SSDynamicTextView.m
+++ b/SSDynamicText/SSDynamicTextView.m
@@ -37,7 +37,7 @@ - (void)setFont:(UIFont *)font {
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if ((self = [super initWithFrame:frame])) {
-        [self startObservingTextSizeChanged];
+        [self startObservingTextSizeChanges];
     }
     
     return self;
@@ -47,7 +47,7 @@ - (void)awakeFromNib {
     [super awakeFromNib];
 
     [self setupBaseFontBasedOnCurrentFont];
-    [self startObservingTextSizeChanged];
+    [self startObservingTextSizeChanges];
 }
 
 + (instancetype)textViewWithFont:(NSString *)fontName baseSize:(CGFloat)size {
@@ -100,7 +100,7 @@ - (void)setupBaseFontBasedOnCurrentFont {
                                                                       size:baseSize]);
 }
 
-- (void)startObservingTextSizeChanged {
+- (void)startObservingTextSizeChanges {
     [self ss_startObservingTextSizeChangesWithBlock:self.textSizeChanger.changeHandler];
 }