Small updates from Snowball website

Author: Blake-Madden

docs/manual/english.qmd

@@ -37,7 +37,7 @@ But it is hardly surprising that after twenty years of use of the Porter stemmer
 21.  Snowball 3.0.0 Avoid conflating **_lateral_**/**_laterally_** with **_later_**.
 22.  Snowball 3.0.0 Replace **_\-ogist_** with **_\-og_** to conflate **_geologist_** with **_geology_**, etc.
 23.  Snowball 3.0.0 Handle **_\-eed_** and **_\-ing_** exceptions in respective rules.
-24.  Snowball 3.0.1 Restored exception for **_skis_** which **b** is needed.
+24.  Snowball 3.1.0 Restored exception for **_skis_** which **b** is needed.
 
 ## Design Notes
 

docs/manual/german.qmd

@@ -111,7 +111,7 @@ Step 2:
   Search for the longest among the following suffixes,
 
     (_a_) **_en   er   est_**  
-    (_b_) **_st_** (preceded by a valid **_st_**\-ending, itself preceded by at least 3
+    (_b_) **_st_** (preceded by a valid **_st_**\-ending, itself preceded by at least 3 letters.
     (_c_) **_et_** (preceded by a valid **_et_**\-ending, itself not preceded any of **_geordn_**, **_intern_**, **_plan_**, **_tick_** or **_tr_**).
 
       and delete the suffix if in _R1_.