Sync SDL3 wiki -> header

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include/SDL3/SDL_stdinc.h

@@ -3996,7 +3996,7 @@ extern SDL_DECLSPEC char * SDLCALL SDL_strpbrk(const char *str, const char *brea
  * NULL-terminated, as the function will blindly read until it sees the NULL
  * char.
  *
- * if `*pslen` is zero, it assumes the end of string is reached and returns a
+ * If `*pslen` is zero, it assumes the end of string is reached and returns a
  * zero codepoint regardless of the contents of the string buffer.
  *
  * If the resulting codepoint is zero (a NULL terminator), or `*pslen` is