typo

diff --git a/help/html/calculations/quality.html b/help/html/calculations/quality.html
index e83a124..fc75e4f 100755 (executable)
--- a/help/html/calculations/quality.html
+++ b/help/html/calculations/quality.html
@@ -27,7 +27,7 @@ measure of the likelihood of observing the mutations (if any) in a
 particular column of the alignment.</p>
 <p>
 More precisely, the quality score is inversely proportional to the
-average cost of all pairs of mutations oberved in a particular column
+average cost of all pairs of mutations observed in a particular column
 of the alignment - a high alignment quality score for a column would
 suggest that there are no mutations, or most mutations observed are
 favourable.
@@ -36,8 +36,8 @@ favourable.
 <p><em>The Algorithm</em><br>
 The quality score is calculated for each column in an alignment by
 summing, for all mutations, the ratio of the two BLOSUM 62 scores for
-a mutation pair and each residue's conservered BLOSUM62 score (which
-is higher). This valueis normalised for each column, and then plotted
+a mutation pair and each residue's conserved BLOSUM62 score (which
+is higher). This value is normalised for each column, and then plotted
 on a scale from 0 to 1.
 </p>
 <p>