diff --git a/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-GB/grammar.xml b/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-GB/grammar.xml
index 9324ec6a0e50..d65f75a37491 100644
--- a/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-GB/grammar.xml
+++ b/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-GB/grammar.xml
@@ -357,7 +357,7 @@ USA
         </rule>
         <rule id="SI_UNITS_OF_MEASUREMENT_ADJECTIVES_AME" name="1-liter/1-litre">
             <pattern>
-                <token regexp="yes">([0-9]+-)(yotta|zetta|exa|peta|tera|giga|mega|kilo|hecto|deka|deci|centi|milli|micro|nano|pico|femto|atto|zepto|yocto)?(liter|meter)<exception postag="NNP"/></token>
+                <token regexp="yes">([0-9]+-)(quetta|ronna|yotta|zetta|exa|peta|tera|giga|mega|kilo|hecto|deka|deci|centi|milli|micro|nano|pico|femto|atto|zepto|yocto|ronto|quecto)?(liter|meter)<exception postag="NNP"/></token>
             </pattern>
             <message>The word '<match no="1"/>' is an adjective (SI unit of measurement), but the spelling is not correct British English.</message>
             <short>AmE/BrE: SI units (adjectives)</short>
diff --git a/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-US/grammar.xml b/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-US/grammar.xml
index 7c06a95759fd..5f60c3f25c69 100644
--- a/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-US/grammar.xml
+++ b/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/en-US/grammar.xml
@@ -621,7 +621,7 @@ USA
         </rule>
         <rule id="SI_UNITS_OF_MEASUREMENT_ADJECTIVES_BRE" name="1-litre/1-liter">
             <pattern>
-                <token regexp="yes">([0-9]+-)(yotta|zetta|exa|peta|tera|giga|mega|kilo|hecto|deca|deci|centi|milli|micro|nano|pico|femto|atto|zepto|yocto)?(gramme|litre|metre)<exception postag="NNP"/></token>
+                <token regexp="yes">([0-9]+-)(quetta|ronna|yotta|zetta|exa|peta|tera|giga|mega|kilo|hecto|deca|deci|centi|milli|micro|nano|pico|femto|atto|zepto|yocto|ronto|quecto)?(gramme|litre|metre)<exception postag="NNP"/></token>
             </pattern>
             <message>The word '<match no="1"/>' is an adjective (SI unit of measurement), but the spelling is not correct American English.</message>
             <short>AmE/BrE: SI units (adjectives)</short>
@@ -630,7 +630,7 @@ USA
             <example>Do not find incorrect English: use a <marker>10-millimetres</marker> bolt.</example>
             <example correction="">Use a <marker>10-metre</marker> rope.</example>
             <example correction="">The 4.<marker>6-centigramme</marker> difference is not a problem.</example>
-            <example correction="">Also find typgoraphic errors: a 5.7.<marker>8-femtogramme</marker> difference is not important.</example>
+            <example correction="">Also find typographic errors: a 5.7.<marker>8-femtogramme</marker> difference is not important.</example>
        </rule>
 
     <rule id="AT_THE_WEEKEND" name="Collocation: at the weekend"><!-- Premium #983 -->