diff --git a/src/command/help/help.c b/src/command/help/help.c
index 6292c05e9..bfdacec81 100644
--- a/src/command/help/help.c
+++ b/src/command/help/help.c
@@ -260,6 +260,45 @@ helpRenderValue(const ConfigOption optionId)
     FUNCTION_TEST_RETURN(STRING, result);
 }
 
+/***********************************************************************************************************************************
+Determine if the first character of a summary should be lower-case
+***********************************************************************************************************************************/
+static String *
+helpRenderSummary(const String *const summary)
+{
+    FUNCTION_TEST_BEGIN();
+        FUNCTION_TEST_PARAM(STRING, summary);
+    FUNCTION_TEST_END();
+
+    ASSERT(summary != NULL);
+
+    // Strip final period off summary
+    String *const result = strCatN(strNew(), summary, strSize(summary) - 1);
+
+    // Lower-case first letter if first word does not appear to be an acronym or proper name
+    unsigned int totalLetter = 0;
+    unsigned int totalCapital = 0;
+
+    for (unsigned int resultIdx = 0; resultIdx < strSize(result); resultIdx++)
+    {
+        const char resultChar = strZ(result)[resultIdx];
+
+        if (resultChar == ' ')
+            break;
+
+        if (isalpha(resultChar))
+            totalLetter++;
+
+        if (isupper(resultChar))
+            totalCapital++;
+    }
+
+    if (totalCapital == 1 && totalCapital != totalLetter)
+        strFirstLower(result);
+
+    FUNCTION_TEST_RETURN(STRING, result);
+}
+
 /***********************************************************************************************************************************
 Render help to a string
 ***********************************************************************************************************************************/
@@ -501,14 +540,7 @@ helpRender(const Buffer *const helpData)
                     for (unsigned int optionIdx = 0; optionIdx < varLstSize(optionList); optionIdx++)
                     {
                         const ConfigOption optionId = varUInt(varLstGet(optionList, optionIdx));
-
-                        // Get option summary and lower-case first letter if it does not appear to be part of an acronym
-                        String *const summary = strCatN(
-                            strNew(), optionData[optionId].summary, strSize(optionData[optionId].summary) - 1);
-                        ASSERT(strSize(summary) > 1);
-
-                        if (!isupper(strZ(summary)[1]) && isalpha(strZ(summary)[1]))
-                            strFirstLower(summary);
+                        String *const summary = helpRenderSummary(optionData[optionId].summary);
 
                         // Output current and default values if they exist
                         const String *const defaultValue = cfgOptionDefault(optionId);
diff --git a/test/src/module/command/helpTest.c b/test/src/module/command/helpTest.c
index 043f16edb..585e6d483 100644
--- a/test/src/module/command/helpTest.c
+++ b/test/src/module/command/helpTest.c
@@ -96,7 +96,7 @@ testRun(void)
     }
 
     // *****************************************************************************************************************************
-    if (testBegin("helpRenderText()"))
+    if (testBegin("helpRenderText() and helpRenderSummary()"))
     {
         TEST_RESULT_STR_Z(
             helpRenderText(STRDEF("this is a short sentence"), false, false, 0, false, 80), "this is a short sentence", "one line");
@@ -129,6 +129,8 @@ testRun(void)
             "  NOT USE IN\n"
             "  PRODUCTION.",
             "two paragraphs, indent first, internal");
+
+        TEST_RESULT_STR_Z(helpRenderSummary(STRDEF("Summary.")), "summary", "render summary");
     }
 
     // *****************************************************************************************************************************
@@ -372,7 +374,7 @@ testRun(void)
             "\n"
             "Stanza Options:\n"
             "\n"
-            "  --pg-path                           postgreSQL data directory\n"
+            "  --pg-path                           PostgreSQL data directory\n"
             "\n"
             "Use 'pgbackrest help restore [option]' for more information.\n");