diff --git a/source/code/sago/SagoTextBox.hpp b/source/code/sago/SagoTextBox.hpp
index 025010d..5aeae4c 100644
--- a/source/code/sago/SagoTextBox.hpp
+++ b/source/code/sago/SagoTextBox.hpp
@@ -38,6 +38,12 @@ public:
 	void SetText(const char* text);
 	void SetText(const std::string& text);
 	void SetColor(const SDL_Color& color);
+	
+	/**
+	 * Set the name of the font. Must be known to the data holder.
+	 * The name could for instance be "freeserif".
+	 * @param fontName Name of the font as required by SagoDataHolder
+	 */
 	void SetFont(const char* fontName);
 	void SetFontSize(int fontSize);
 	void SetOutline(int outlineSize, const SDL_Color& color);
diff --git a/source/code/sago/SagoTextField.cpp b/source/code/sago/SagoTextField.cpp
index 62df1d4..6518899 100644
--- a/source/code/sago/SagoTextField.cpp
+++ b/source/code/sago/SagoTextField.cpp
@@ -83,7 +83,7 @@ SagoTextField::SagoTextField(SagoTextField&& o) noexcept {
 	o.data = nullptr;
 }
 
-SagoTextField& SagoTextField::operator=(const SagoTextField& base) {
+SagoTextField& SagoTextField::CopyFrom(const SagoTextField& base) {
 	ClearCache();
 	try {
 		*data = *(base.data);
diff --git a/source/code/sago/SagoTextField.hpp b/source/code/sago/SagoTextField.hpp
index 962a924..ad24dc1 100644
--- a/source/code/sago/SagoTextField.hpp
+++ b/source/code/sago/SagoTextField.hpp
@@ -43,9 +43,17 @@ public:
 	SagoTextField();
 	SagoTextField(SagoTextField&& o) noexcept;
 	SagoTextField& operator=(const SagoTextField&& base) = delete;
-	SagoTextField& operator=(const SagoTextField& base);
+	SagoTextField& operator=(const SagoTextField& base) = delete;
 	virtual ~SagoTextField();
 	/**
+	 * This method creates a copy of a given font.
+	 * The cache will not be copied.
+	 * This is ALMOST like the "= operator" but given its own name to prevent implicit calling. 
+	 * @param base The object to copy from
+	 * @return A reference to this object.
+	 */
+	SagoTextField& CopyFrom(const SagoTextField& base);
+	/**
 	 * Sets the data holder. This is MANDATORY
 	 * @param holder The data holder to fetch the fonts from
 	 */
@@ -55,10 +63,15 @@ public:
 	 * @param text The actual UTF-8 encoded text
 	 */
 	void SetText(const char* text);
+	/**
+	 * Set the text to display.
+	 * @param text The actual UTF-8 encoded text
+	 */
 	void SetText(const std::string& text);
 	void SetColor(const SDL_Color& color);
 	/**
 	 * Set the name of the font. Must be known to the data holder.
+	 * The name could for instance be "freeserif".
 	 * @param fontName Name of the font as required by SagoDataHolder
 	 */
 	void SetFont(const char* fontName);
@@ -74,6 +87,14 @@ public:
 	 * @return The text
 	 */
 	const std::string& GetText() const;
+	/**
+	 * A Shorthand for calling TTF_SizeUTF8 on the right font
+	 * The size is measuered WITHOUT the outline!
+	 * Will fail silently on error (except writing to stderr) and set w and h to 0 if they are not null.
+	 * @param text The text to check the rendered size for
+	 * @param w Pointer to an int where the width of the text will be stored. Maybe null.
+	 * @param h Pointer to an int where the hight of the text will be stored. Maybe null.
+	 */
 	void GetRenderedSize(const char* text, int* w = nullptr, int* h = nullptr);
 	enum class Alignment { left = 0, right=1, center = 2 };
 	enum class VerticalAlignment { top = 0, center = 1};