adjusted docs

README.md

@@ -36,9 +36,9 @@ let stars = diff_attrs.stars();
 // Calculate performance attributes
 let perf_attrs = map.performance()
     // To speed up the calculation, we can use the previous attributes.
-    // **Note** that this should only be done if the map, mode, mods,
-    // clock rate, and amount of passed objects stay the same.
-    // Otherwise, the final attributes will be incorrect.
+    // **Note** that this should only be done if the map and all difficulty
+    // settings stay the same, otherwise the final attributes will be
+    // incorrect!
     .attributes(diff_attrs)
     .mods(24) // HDHR, must be the same as before
     .combo(789)

src/lib.rs

@@ -30,9 +30,9 @@
 //! // Calculate performance attributes
 //! let perf_attrs = map.performance()
 //!     // To speed up the calculation, we can use the previous attributes.
-//!     // **Note** that this should only be done if the map, mode, mods,
-//!     // clock rate, and amount of passed objects stay the same.
-//!     // Otherwise, the final attributes will be incorrect.
+//!     // **Note** that this should only be done if the map and all difficulty
+//!     // settings stay the same, otherwise the final attributes will be
+//!     // incorrect!
 //!     .attributes(diff_attrs)
 //!     .mods(24) // HDHR, must be the same as before
 //!     .combo(789)