Correct pre-warning to just warning

Firmware/temp_model.h

@@ -44,7 +44,7 @@ struct model_data
     float Ta_corr;                         // ambient temperature correction (K)
 
     // thresholds
-    float warn;                            // pre-warning threshold (K/s)
+    float warn;                            // warning threshold (K/s)
     float err;                             // error threshold (K/s)
 
     // status flags
@@ -61,7 +61,7 @@ struct model_data
 
     // pre-computed values (initialized via reset)
     float C_i;                             // heatblock capacitance (precomputed dT/C)
-    float warn_s;                          // pre-warning threshold (per sample)
+    float warn_s;                          // warning threshold (per sample)
     float err_s;                           // error threshold (per sample)
 
     // simulation functions

Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h

@@ -439,7 +439,7 @@
 #define TEMP_MODEL_Ta_corr -7 // Default ambient temperature correction
 #define TEMP_MODEL_LAG 2.1    // Temperature transport delay (s)
 
-#define TEMP_MODEL_W 1.2      // Default pre-warning threshold (K/s)
+#define TEMP_MODEL_W 1.2      // Default warning threshold (K/s)
 #define TEMP_MODEL_E 1.74     // Default error threshold (K/s)
 
 #define TEMP_MODEL_CAL_Th 230 // Default calibration working temperature (C)