Clarify a settings summary text.

    <!-- Option to enable auto correction [CHAR LIMIT=20]-->

    <string name="auto_correction">Auto correction</string>

    <!-- Description for auto correction [CHAR LIMIT=35] -->

    <string name="auto_correction_summary">Spacebar and punctuation automatically insert highlighted word</string>

    <string name="auto_correction_summary">Spacebar and punctuation automatically correct mistyped words</string>

    <!-- Option to disable auto correction. [CHAR LIMIT=20] -->

    <string name="auto_correction_threshold_mode_off">Off</string>

    <!-- Option to suggest auto correction candidates modestly. Auto-corrects only to a word which has small edit distance from typed word. [CHAR LIMIT=20] -->