Unimportant phrasing changes

contrib/man/exa.1

@@ -323,15 +323,15 @@ glob, including keys that happen to be two letters long.
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 \f[B]lm\f[], a number of hard links for a regular file with at least two
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-\f[B]ga\f[], a new file in Git
+\f[B]ga\f[], a new flag in Git
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-\f[B]gm\f[], a modified file in Git
+\f[B]gm\f[], a modified flag in Git
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-\f[B]gd\f[], a deleted file in Git
+\f[B]gd\f[], a deleted flag in Git
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-\f[B]gv\f[], a renamed file in Git
+\f[B]gv\f[], a renamed flag in Git
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-\f[B]gt\f[], a file with modified metadata in Git
+\f[B]gt\f[], a modified metadata flag in Git
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 \f[B]xx\f[], "punctuation", including many background UI elements
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