str.h: Fix doc line wrapping

str.h

@@ -32,16 +32,20 @@
 /*!
   * \page DataTypeText Common data type for text variables.
   *
-  * This data type encapsulate a standard C char array. Its recommended to use
-  * this type if you need variables holding text. Its caches the length of the
-  * C string to avoid repetive calls to strlen, thus improving performance.
-  * Its also safer to explicitly give the length to string operations of the core
-  * or C libraries to prevent problems because of buffer overflows and missing
+  * This data type encapsulates a standard C char array. It's recommended to
+  * use this type if you need variables holding text. It caches the length of
+  * the C string to avoid repetive calls to strlen, thus improving performance.
+  *
+  * It's also safer to explicitly give the length to string operations of the
+  * core or C libraries to prevent problems because of buffer overflows and
+  * missing null-termination.
+  *
+  * Important: The char array inside this type is not null-terminated. So if
+  * you need to work with external functions that rely on this termination you
+  * must add a zero at the end by yourself. Keep in mind that the length of the
+  * char array is normally not large enough to store this additional
   * null-termination.
-  * Important: The char array inside this type is not null-terminated. So if you
-  * need to work with external functions that rely on this termination you must
-  * add a zero at the end by yourself. Keep in mind that the length of the char
-  * array is normally not large enough to store this additional null-termination.
+  *
   * So you must copy the char array to a new buffer that is (len + 1) big,
   * otherwise memory corruption and undefined behavour will occur.
   * Most libraries often provide functions that can work with an explicit given