diff --git a/core/combinators/combinators-docs.factor b/core/combinators/combinators-docs.factor
index 67bf6da23c..8bab489294 100644
--- a/core/combinators/combinators-docs.factor
+++ b/core/combinators/combinators-docs.factor
@@ -150,7 +150,7 @@ $nl
 { $example "USE: classes" "\\ f class ." "word" }
 "On the other hand, " { $link t } " is just a word, and there is no class which it is a unique instance of."
 { $example "t \\ t eq? ." "t" }
-"Many words which search collections confuse the case of no element being present with an element being found equal to " { $link f } ". If this distinction is imporant, there is usually an alternative word which can be used; for example, compare " { $link at } " with " { $link at* } "." ;
+"Many words which search collections confuse the case of no element being present with an element being found equal to " { $link f } ". If this distinction is important, there is usually an alternative word which can be used; for example, compare " { $link at } " with " { $link at* } "." ;
 
 ARTICLE: "conditionals-boolean-equivalence" "Expressing conditionals with boolean logic"
 "Certain simple conditional forms can be expressed in a simpler manner using boolean logic."
@@ -344,7 +344,7 @@ HELP: case
 { $description
     "Compares " { $snippet "obj" } " against the first element of every pair, first evaluating the first element if it is a word. If some pair matches, removes " { $snippet "obj" } " from the stack and calls the second element of that pair, which must be a quotation."
     $nl
-    "If there is no case matching " { $snippet "obj" } ", the default case is taken. If the last element of " { $snippet "cases" } " is a quotation, the quotation is called with " { $snippet "obj" } " on the stack. Otherwise, a " { $link no-cond } " error is rasied."
+    "If there is no case matching " { $snippet "obj" } ", the default case is taken. If the last element of " { $snippet "cases" } " is a quotation, the quotation is called with " { $snippet "obj" } " on the stack. Otherwise, a " { $link no-cond } " error is raised."
     $nl
     "The following two phrases are equivalent:"
     { $code "{ { X [ Y ] } { Z [ T ] } } case" }